351673638346 has 8 divisors (see below), whose sum is σ = 527518747044. Its totient is φ = 175834056000.

The previous prime is 351673638331. The next prime is 351673638413. The reversal of 351673638346 is 643836376153.

It can be written as a sum of positive squares in 2 ways, for example, as 327899390625 + 23774247721 = 572625^2 + 154189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1218655 + ... + 1479346.

Almost surely, 2^351673638346 is an apocalyptic number.

351673638346 is a deficient number, since it is larger than the sum of its proper divisors (175845108698).

351673638346 is a wasteful number, since it uses less digits than its factorization.

351673638346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763176.

The product of its digits is 19595520, while the sum is 55.

The spelling of 351673638346 in words is "three hundred fifty-one billion, six hundred seventy-three million, six hundred thirty-eight thousand, three hundred forty-six".