25704473469 has 12 divisors (see below), whose sum is σ = 35764598688. Its totient is φ = 16390409200.

The previous prime is 25704473447. The next prime is 25704473489. The reversal of 25704473469 is 96437440752.

It is a happy number.

It is not a de Polignac number, because 25704473469 - 2²⁸ = 25436038013 is a prime.

It is a super-2 number, since 2×25704473469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25704473489) 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, 1322119 + ... + 1341419.

It is an arithmetic number, because the mean of its divisors is an integer number (2980383224).

Almost surely, 2^25704473469 is an apocalyptic number.

It is an amenable number.

25704473469 is a deficient number, since it is larger than the sum of its proper divisors (10060125219).

25704473469 is an frugal number, since it uses more digits than its factorization.

25704473469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38628 (or 19327 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 25704473469 in words is "twenty-five billion, seven hundred four million, four hundred seventy-three thousand, four hundred sixty-nine".