351949938670 has 32 divisors (see below), whose sum is σ = 691497668736. Its totient is φ = 127908468000.

The previous prime is 351949938661. The next prime is 351949938709. The reversal of 351949938670 is 76839949153.

It is a super-2 number, since 2×351949938670² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723556 + ... + 1107895.

It is an arithmetic number, because the mean of its divisors is an integer number (21609302148).

Almost surely, 2^351949938670 is an apocalyptic number.

351949938670 is a deficient number, since it is larger than the sum of its proper divisors (339547730066).

351949938670 is a wasteful number, since it uses less digits than its factorization.

351949938670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833216.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 351949938670 in words is "three hundred fifty-one billion, nine hundred forty-nine million, nine hundred thirty-eight thousand, six hundred seventy".