63231412491 has 24 divisors (see below), whose sum is σ = 98680421840. Its totient is φ = 38784868416.

The previous prime is 63231412471. The next prime is 63231412547. The reversal of 63231412491 is 19421413236.

63231412491 is a `hidden beast` number, since 6 + 3 + 23 + 141 + 2 + 491 = 666.

63231412491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63231412491 - 2¹⁷ = 63231281419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63231412421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844276 + ... + 916113.

Almost surely, 2^63231412491 is an apocalyptic number.

63231412491 is a deficient number, since it is larger than the sum of its proper divisors (35449009349).

63231412491 is a wasteful number, since it uses less digits than its factorization.

63231412491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760715 (or 1760712 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The spelling of 63231412491 in words is "sixty-three billion, two hundred thirty-one million, four hundred twelve thousand, four hundred ninety-one".