6121294984431 has 16 divisors (see below), whose sum is σ = 9893001995520. Its totient is φ = 3709875747960.

The previous prime is 6121294984417. The next prime is 6121294984447. The reversal of 6121294984431 is 1344894921216.

6121294984431 is a `hidden beast` number, since 6 + 1 + 2 + 129 + 4 + 9 + 84 + 431 = 666.

It is not a de Polignac number, because 6121294984431 - 2⁷ = 6121294984303 is a prime.

It is a super-2 number, since 2×6121294984431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121294984411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10305210115 + ... + 10305210708.

It is an arithmetic number, because the mean of its divisors is an integer number (618312624720).

Almost surely, 2^{6121294984431} is an apocalyptic number.

6121294984431 is a deficient number, since it is larger than the sum of its proper divisors (3771707011089).

6121294984431 is a wasteful number, since it uses less digits than its factorization.

6121294984431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610420843 (or 20610420837 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 6121294984431 in words is "six trillion, one hundred twenty-one billion, two hundred ninety-four million, nine hundred eighty-four thousand, four hundred thirty-one".