10472861569 has 3 divisors (see below), whose sum is σ = 10472963907. Its totient is φ = 10472759232.

The previous prime is 10472861563. The next prime is 10472861629. The reversal of 10472861569 is 96516827401.

It is a happy number.

The square root of 10472861569 is 102337.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10238404225 + 234457344 = 101185^2 + 15312^2 .

It is not a de Polignac number, because 10472861569 - 2²⁷ = 10338643841 is a prime.

It is a super-2 number, since 2×10472861569² (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 (10472861563) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51169 + ... + 153505.

It is an arithmetic number, because the mean of its divisors is an integer number (3490987969).

Almost surely, 2^10472861569 is an apocalyptic number.

10472861569 is the 102337-th square number.

10472861569 is the 51169-th centered octagonal number.

It is an amenable number.

10472861569 is a deficient number, since it is larger than the sum of its proper divisors (102338).

10472861569 is an frugal number, since it uses more digits than its factorization.

10472861569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204674 (or 102337 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 10472861569 by its sum of digits (49), we get a square (513170216881 = 716359²).

The spelling of 10472861569 in words is "ten billion, four hundred seventy-two million, eight hundred sixty-one thousand, five hundred sixty-nine".