63346491 has 24 divisors (see below), whose sum is σ = 99315216. Its totient is φ = 38675520.

The previous prime is 63346483. The next prime is 63346519. The reversal of 63346491 is 19464336.

63346491 is a `hidden beast` number, since 6 + 3 + 3 + 4 + 649 + 1 = 666.

It is not a de Polignac number, because 63346491 - 2³ = 63346483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63346421) 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, 13261 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (4138134).

Almost surely, 2^63346491 is an apocalyptic number.

63346491 is a deficient number, since it is larger than the sum of its proper divisors (35968725).

63346491 is a wasteful number, since it uses less digits than its factorization.

63346491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283 (or 4280 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 63346491 is about 7959.0508856270. The cubic root of 63346491 is about 398.6338623986.

The spelling of 63346491 in words is "sixty-three million, three hundred forty-six thousand, four hundred ninety-one".