10542578769 has 6 divisors (see below), whose sum is σ = 15228169346. Its totient is φ = 7028385840.

The previous prime is 10542578729. The next prime is 10542578777. The reversal of 10542578769 is 96787524501.

10542578769 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 2 + 578 + 7 + 69 = 666.

10542578769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10376478225 + 166100544 = 101865^2 + 12888^2 .

It is not a de Polignac number, because 10542578769 - 2⁹ = 10542578257 is a prime.

It is a super-2 number, since 2×10542578769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10542578719) 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 5 ways as a sum of consecutive naturals, for example, 585698812 + ... + 585698829.

Almost surely, 2^10542578769 is an apocalyptic number.

It is an amenable number.

10542578769 is a deficient number, since it is larger than the sum of its proper divisors (4685590577).

10542578769 is a wasteful number, since it uses less digits than its factorization.

10542578769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171397647 (or 1171397644 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 10542578769 in words is "ten billion, five hundred forty-two million, five hundred seventy-eight thousand, seven hundred sixty-nine".