6574142152081 has 9 divisors (see below), whose sum is σ = 7647492361449. Its totient is φ = 5634963603444.

The previous prime is 6574142152079. The next prime is 6574142152087. The reversal of 6574142152081 is 1802512414756.

The square root of 6574142152081 is 2564009.

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

It is not a de Polignac number, because 6574142152081 - 2¹ = 6574142152079 is a prime.

It is a super-2 number, since 2×6574142152081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6574142152087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17764920 + ... + 18131206.

Almost surely, 2^{6574142152081} is an apocalyptic number.

6574142152081 is the 2564009-th square number.

6574142152081 is the 1282005-th centered octagonal number.

It is an amenable number.

6574142152081 is a deficient number, since it is larger than the sum of its proper divisors (1073350209368).

6574142152081 is an frugal number, since it uses more digits than its factorization.

6574142152081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732588 (or 366294 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 6574142152081 in words is "six trillion, five hundred seventy-four billion, one hundred forty-two million, one hundred fifty-two thousand, eighty-one".