351912319942 has 4 divisors (see below), whose sum is σ = 527868479916. Its totient is φ = 175956159970.

The previous prime is 351912319921. The next prime is 351912319981. The reversal of 351912319942 is 249913219153.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87978079984 + ... + 87978079987.

It is an arithmetic number, because the mean of its divisors is an integer number (131967119979).

Almost surely, 2^351912319942 is an apocalyptic number.

351912319942 is a deficient number, since it is larger than the sum of its proper divisors (175956159974).

351912319942 is a wasteful number, since it uses less digits than its factorization.

351912319942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175956159973.

The product of its digits is 524880, while the sum is 49.

The spelling of 351912319942 in words is "three hundred fifty-one billion, nine hundred twelve million, three hundred nineteen thousand, nine hundred forty-two".