63499994 has 8 divisors (see below), whose sum is σ = 95286240. Its totient is φ = 31737916.

The previous prime is 63499993. The next prime is 63500009. The reversal of 63499994 is 49999436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63499991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (11910780).

Almost surely, 2^63499994 is an apocalyptic number.

63499994 is a deficient number, since it is larger than the sum of its proper divisors (31786246).

63499994 is a wasteful number, since it uses less digits than its factorization.

63499994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084.

The product of its digits is 1889568, while the sum is 53.

The square root of 63499994 is about 7968.6883487811. The cubic root of 63499994 is about 398.9555962588.

The spelling of 63499994 in words is "sixty-three million, four hundred ninety-nine thousand, nine hundred ninety-four".