25480057369 has 16 divisors (see below), whose sum is σ = 29232302400. Its totient is φ = 22013678016.

The previous prime is 25480057327. The next prime is 25480057391. The reversal of 25480057369 is 96375008452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25480057369 is a prime.

It is a super-2 number, since 2×25480057369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25480055369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600934 + ... + 641935.

It is an arithmetic number, because the mean of its divisors is an integer number (1827018900).

Almost surely, 2^25480057369 is an apocalyptic number.

It is an amenable number.

25480057369 is a deficient number, since it is larger than the sum of its proper divisors (3752245031).

25480057369 is a wasteful number, since it uses less digits than its factorization.

25480057369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242984.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 25480057369 in words is "twenty-five billion, four hundred eighty million, fifty-seven thousand, three hundred sixty-nine".