63951494 has 12 divisors (see below), whose sum is σ = 96509196. Its totient is φ = 31782852.

The previous prime is 63951487. The next prime is 63951497. The reversal of 63951494 is 49415936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63951497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99137 + ... + 99779.

It is an arithmetic number, because the mean of its divisors is an integer number (8042433).

Almost surely, 2^63951494 is an apocalyptic number.

63951494 is a deficient number, since it is larger than the sum of its proper divisors (32557702).

63951494 is an equidigital number, since it uses as much as digits as its factorization.

63951494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 868 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 63951494 is about 7996.9678003603. The cubic root of 63951494 is about 399.8989202927.

The spelling of 63951494 in words is "sixty-three million, nine hundred fifty-one thousand, four hundred ninety-four".