351490775993 has 8 divisors (see below), whose sum is σ = 405681009600. Its totient is φ = 298294858800.

The previous prime is 351490775947. The next prime is 351490776031. The reversal of 351490775993 is 399577094153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351490775993 - 2¹⁶ = 351490710457 is a prime.

It is a super-2 number, since 2×351490775993² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351490775903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248578343 + ... + 248579756.

It is an arithmetic number, because the mean of its divisors is an integer number (50710126200).

Almost surely, 2^351490775993 is an apocalyptic number.

It is an amenable number.

351490775993 is a deficient number, since it is larger than the sum of its proper divisors (54190233607).

351490775993 is a wasteful number, since it uses less digits than its factorization.

351490775993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497158207.

The product of its (nonzero) digits is 32148900, while the sum is 62.

The spelling of 351490775993 in words is "three hundred fifty-one billion, four hundred ninety million, seven hundred seventy-five thousand, nine hundred ninety-three".