351398621601 has 64 divisors (see below), whose sum is σ = 560567692800. Its totient is φ = 216747878400.

The previous prime is 351398621537. The next prime is 351398621603. The reversal of 351398621601 is 106126893153.

351398621601 is a `hidden beast` number, since 3 + 5 + 1 + 39 + 8 + 6 + 2 + 1 + 601 = 666.

It is not a de Polignac number, because 351398621601 - 2⁶ = 351398621537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351398621603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89846836 + ... + 89850746.

It is an arithmetic number, because the mean of its divisors is an integer number (8758870200).

Almost surely, 2^351398621601 is an apocalyptic number.

It is an amenable number.

351398621601 is a deficient number, since it is larger than the sum of its proper divisors (209169071199).

351398621601 is a wasteful number, since it uses less digits than its factorization.

351398621601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207 (or 7201 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 351398621601 in words is "three hundred fifty-one billion, three hundred ninety-eight million, six hundred twenty-one thousand, six hundred one".