10729726556 has 12 divisors (see below), whose sum is σ = 18797730168. Its totient is φ = 5358946512.

The previous prime is 10729726547. The next prime is 10729726561. The reversal of 10729726556 is 65562792701.

It is a happy number.

It is a super-2 number, since 2×10729726556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475111 + ... + 1482366.

It is an arithmetic number, because the mean of its divisors is an integer number (1566477514).

Almost surely, 2^10729726556 is an apocalyptic number.

It is an amenable number.

10729726556 is a deficient number, since it is larger than the sum of its proper divisors (8068003612).

10729726556 is a wasteful number, since it uses less digits than its factorization.

10729726556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958388 (or 2958386 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 10729726556 in words is "ten billion, seven hundred twenty-nine million, seven hundred twenty-six thousand, five hundred fifty-six".