351431874457 has 4 divisors (see below), whose sum is σ = 353759238016. Its totient is φ = 349104510900.

The previous prime is 351431874403. The next prime is 351431874487. The reversal of 351431874457 is 754478134153.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 351431874457 - 2⁷ = 351431874329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351431874487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163681553 + ... + 1163681854.

It is an arithmetic number, because the mean of its divisors is an integer number (88439809504).

Almost surely, 2^351431874457 is an apocalyptic number.

It is an amenable number.

351431874457 is a deficient number, since it is larger than the sum of its proper divisors (2327363559).

351431874457 is a wasteful number, since it uses less digits than its factorization.

351431874457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327363558.

The product of its digits is 5644800, while the sum is 52.

The spelling of 351431874457 in words is "three hundred fifty-one billion, four hundred thirty-one million, eight hundred seventy-four thousand, four hundred fifty-seven".