13210518952 has 8 divisors (see below), whose sum is σ = 24769723050. Its totient is φ = 6605259472.

The previous prime is 13210518943. The next prime is 13210518989. The reversal of 13210518952 is 25981501231.

It can be written as a sum of positive squares in only one way, i.e., 12581211556 + 629307396 = 112166^2 + 25086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825657427 + ... + 825657442.

Almost surely, 2^13210518952 is an apocalyptic number.

It is an amenable number.

13210518952 is a deficient number, since it is larger than the sum of its proper divisors (11559204098).

13210518952 is a wasteful number, since it uses less digits than its factorization.

13210518952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651314875 (or 1651314871 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 13210518952 in words is "thirteen billion, two hundred ten million, five hundred eighteen thousand, nine hundred fifty-two".