10557360729 has 12 divisors (see below), whose sum is σ = 15271284132. Its totient is φ = 7028196000.

The previous prime is 10557360727. The next prime is 10557360769. The reversal of 10557360729 is 92706375501.

10557360729 is a `hidden beast` number, since 1 + 0 + 5 + 573 + 6 + 0 + 72 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3531568329 + 7025792400 = 59427^2 + 83820^2 .

It is not a de Polignac number, because 10557360729 - 2¹ = 10557360727 is a prime.

It is a super-2 number, since 2×10557360729² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10557360721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830382 + ... + 842999.

It is an arithmetic number, because the mean of its divisors is an integer number (1272607011).

Almost surely, 2^10557360729 is an apocalyptic number.

It is an amenable number.

10557360729 is a deficient number, since it is larger than the sum of its proper divisors (4713923403).

10557360729 is a wasteful number, since it uses less digits than its factorization.

10557360729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674088 (or 1674085 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 10557360729 in words is "ten billion, five hundred fifty-seven million, three hundred sixty thousand, seven hundred twenty-nine".