10011927490569 has 9 divisors (see below), whose sum is σ = 14461686753319. Its totient is φ = 6674611998720.

The previous prime is 10011927490547. The next prime is 10011927490619. The reversal of 10011927490569 is 96509472911001.

It is a happy number.

The square root of 10011927490569 is 3164163.

It is a perfect power (a square), and thus also a powerful number.

10011927490569 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 1 + 9 + 2 + 74 + 9 + 0 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9857006530569 + 154920960000 = 3139587^2 + 393600^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10011927490569 - 2²¹ = 10011925393417 is a prime.

It is a super-2 number, since 2×10011927490569² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011927490069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8965129 + ... + 10019849.

Almost surely, 2^{10011927490569} is an apocalyptic number.

10011927490569 is the 3164163-rd square number.

10011927490569 is the 1582082-nd centered octagonal number.

It is an amenable number.

10011927490569 is a deficient number, since it is larger than the sum of its proper divisors (4449759262750).

10011927490569 is an frugal number, since it uses more digits than its factorization.

10011927490569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109448 (or 1054724 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 10011927490569 in words is "ten trillion, eleven billion, nine hundred twenty-seven million, four hundred ninety thousand, five hundred sixty-nine".