431393411491 has 8 divisors (see below), whose sum is σ = 510021767520. Its totient is φ = 357015236928.

The previous prime is 431393411489. The next prime is 431393411503. The reversal of 431393411491 is 194114393134.

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

It is not a de Polignac number, because 431393411491 - 2¹ = 431393411489 is a prime.

It is a super-2 number, since 2×431393411491² (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 (431393415491) 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, 1062545146 + ... + 1062545551.

It is an arithmetic number, because the mean of its divisors is an integer number (63752720940).

Almost surely, 2^431393411491 is an apocalyptic number.

431393411491 is a deficient number, since it is larger than the sum of its proper divisors (78628356029).

431393411491 is a wasteful number, since it uses less digits than its factorization.

431393411491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125090733.

The product of its digits is 139968, while the sum is 43.

The spelling of 431393411491 in words is "four hundred thirty-one billion, three hundred ninety-three million, four hundred eleven thousand, four hundred ninety-one".