351433992138 has 64 divisors (see below), whose sum is σ = 766948608000. Its totient is φ = 106931772864.

The previous prime is 351433992079. The next prime is 351433992191. The reversal of 351433992138 is 831299334153.

It is a super-2 number, since 2×351433992138² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1500883 + ... + 1719161.

It is an arithmetic number, because the mean of its divisors is an integer number (11983572000).

Almost surely, 2^351433992138 is an apocalyptic number.

351433992138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

351433992138 is an abundant number, since it is smaller than the sum of its proper divisors (415514615862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351433992138 is a wasteful number, since it uses less digits than its factorization.

351433992138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218819.

The product of its digits is 2099520, while the sum is 51.

The spelling of 351433992138 in words is "three hundred fifty-one billion, four hundred thirty-three million, nine hundred ninety-two thousand, one hundred thirty-eight".