4351334331491 has 12 divisors (see below), whose sum is σ = 5065169534712. Its totient is φ = 3727200099168.

The previous prime is 4351334331481. The next prime is 4351334331511. The reversal of 4351334331491 is 1941334331534.

It is a de Polignac number, because none of the positive numbers 2^k-4351334331491 is a prime.

It is a super-2 number, since 2×4351334331491² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4351334331401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29867570 + ... + 30012903.

It is an arithmetic number, because the mean of its divisors is an integer number (422097461226).

Almost surely, 2^{4351334331491} is an apocalyptic number.

4351334331491 is a deficient number, since it is larger than the sum of its proper divisors (713835203221).

4351334331491 is a wasteful number, since it uses less digits than its factorization.

4351334331491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59881970 (or 59881963 counting only the distinct ones).

The product of its digits is 699840, while the sum is 44.

The spelling of 4351334331491 in words is "four trillion, three hundred fifty-one billion, three hundred thirty-four million, three hundred thirty-one thousand, four hundred ninety-one".