351617352956 has 6 divisors (see below), whose sum is σ = 615330367680. Its totient is φ = 175808676476.

The previous prime is 351617352953. The next prime is 351617352971. The reversal of 351617352956 is 659253716153.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 351617352898 and 351617352907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351617352953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43952169116 + ... + 43952169123.

It is an arithmetic number, because the mean of its divisors is an integer number (102555061280).

Almost surely, 2^351617352956 is an apocalyptic number.

It is an amenable number.

351617352956 is a deficient number, since it is larger than the sum of its proper divisors (263713014724).

351617352956 is a wasteful number, since it uses less digits than its factorization.

351617352956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87904338243 (or 87904338241 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 53.

The spelling of 351617352956 in words is "three hundred fifty-one billion, six hundred seventeen million, three hundred fifty-two thousand, nine hundred fifty-six".