391412422431 has 12 divisors (see below), whose sum is σ = 598630763952. Its totient is φ = 245592108096.

The previous prime is 391412422381. The next prime is 391412422441. The reversal of 391412422431 is 134224214193.

391412422431 is a `hidden beast` number, since 39 + 141 + 242 + 243 + 1 = 666.

It is not a de Polignac number, because 391412422431 - 2⁶ = 391412422367 is a prime.

It is a super-2 number, since 2×391412422431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391412422441) 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, 1279125411 + ... + 1279125716.

It is an arithmetic number, because the mean of its divisors is an integer number (49885896996).

Almost surely, 2^391412422431 is an apocalyptic number.

391412422431 is a deficient number, since it is larger than the sum of its proper divisors (207218341521).

391412422431 is a wasteful number, since it uses less digits than its factorization.

391412422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558251150 (or 2558251147 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 391412422431 in words is "three hundred ninety-one billion, four hundred twelve million, four hundred twenty-two thousand, four hundred thirty-one".