10647556969 has 9 divisors (see below), whose sum is σ = 12386773911. Its totient is φ = 9125858280.

The previous prime is 10647556963. The next prime is 10647556993. The reversal of 10647556969 is 96965574601.

It is a happy number.

The square root of 10647556969 is 103187.

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

It can be written as a sum of positive squares in only one way, i.e., 10360593369 + 286963600 = 101787^2 + 16940^2 .

It is not a de Polignac number, because 10647556969 - 2²⁹ = 10110686057 is a prime.

It is a super-2 number, since 2×10647556969² (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 (10647556963) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 714939 + ... + 729679.

Almost surely, 2^10647556969 is an apocalyptic number.

10647556969 is the 103187-th square number.

10647556969 is the 51594-th centered octagonal number.

It is an amenable number.

10647556969 is a deficient number, since it is larger than the sum of its proper divisors (1739216942).

10647556969 is an frugal number, since it uses more digits than its factorization.

10647556969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29496 (or 14748 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 10647556969 in words is "ten billion, six hundred forty-seven million, five hundred fifty-six thousand, nine hundred sixty-nine".