12769510057 has 8 divisors (see below), whose sum is σ = 13214579400. Its totient is φ = 12324756864.

The previous prime is 12769510009. The next prime is 12769510069. The reversal of 12769510057 is 75001596721.

It can be written as a sum of positive squares in 4 ways, for example, as 870191001 + 11899319056 = 29499^2 + 109084^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12769510057 - 2¹⁵ = 12769477289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12769509995 and 12769510022.

It is not an unprimeable number, because it can be changed into a prime (12769510087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669 + ... + 159877.

It is an arithmetic number, because the mean of its divisors is an integer number (1651822425).

Almost surely, 2^12769510057 is an apocalyptic number.

It is an amenable number.

12769510057 is a deficient number, since it is larger than the sum of its proper divisors (445069343).

12769510057 is a wasteful number, since it uses less digits than its factorization.

12769510057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158075.

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 12769510057 in words is "twelve billion, seven hundred sixty-nine million, five hundred ten thousand, fifty-seven".