351885402052 has 6 divisors (see below), whose sum is σ = 615799453598. Its totient is φ = 175942701024.

The previous prime is 351885401899. The next prime is 351885402053. The reversal of 351885402052 is 250204588153.

It can be written as a sum of positive squares in only one way, i.e., 223193884356 + 128691517696 = 472434^2 + 358736^2 .

It is not an unprimeable number, because it can be changed into a prime (351885402053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43985675253 + ... + 43985675260.

Almost surely, 2^351885402052 is an apocalyptic number.

It is an amenable number.

351885402052 is a deficient number, since it is larger than the sum of its proper divisors (263914051546).

351885402052 is a wasteful number, since it uses less digits than its factorization.

351885402052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87971350517 (or 87971350515 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 351885402052 in words is "three hundred fifty-one billion, eight hundred eighty-five million, four hundred two thousand, fifty-two".