25463436452 has 12 divisors (see below), whose sum is σ = 44564449776. Its totient is φ = 12730736520.

The previous prime is 25463436409. The next prime is 25463436491.

25463436452 is nontrivially palindromic in base 10.

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, 185438 + ... + 292085.

It is an arithmetic number, because the mean of its divisors is an integer number (3713704148).

Almost surely, 2^25463436452 is an apocalyptic number.

It is an amenable number.

25463436452 is a deficient number, since it is larger than the sum of its proper divisors (19101013324).

25463436452 is a wasteful number, since it uses less digits than its factorization.

25463436452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490858 (or 490856 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

The spelling of 25463436452 in words is "twenty-five billion, four hundred sixty-three million, four hundred thirty-six thousand, four hundred fifty-two".