351871728704 has 14 divisors (see below), whose sum is σ = 698245461774. Its totient is φ = 175935864320.

The previous prime is 351871728697. The next prime is 351871728727. The reversal of 351871728704 is 407827178153.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 279790218304 + 72081510400 = 528952^2 + 268480^2 .

It is a super-2 number, since 2×351871728704² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2748997817 + ... + 2748997944.

It is an arithmetic number, because the mean of its divisors is an integer number (49874675841).

Almost surely, 2^351871728704 is an apocalyptic number.

It is an amenable number.

351871728704 is a deficient number, since it is larger than the sum of its proper divisors (346373733070).

351871728704 is an equidigital number, since it uses as much as digits as its factorization.

351871728704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497995773 (or 5497995763 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 351871728704 in words is "three hundred fifty-one billion, eight hundred seventy-one million, seven hundred twenty-eight thousand, seven hundred four".