63495818 has 4 divisors (see below), whose sum is σ = 95243730. Its totient is φ = 31747908.

The previous prime is 63495793. The next prime is 63495823. The reversal of 63495818 is 81859436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 499849 = 7937^2 + 707^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15873953 + ... + 15873956.

Almost surely, 2^63495818 is an apocalyptic number.

63495818 is a deficient number, since it is larger than the sum of its proper divisors (31747912).

63495818 is a wasteful number, since it uses less digits than its factorization.

63495818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31747911.

The product of its digits is 207360, while the sum is 44.

The square root of 63495818 is about 7968.4263189164. The cubic root of 63495818 is about 398.9468504569.

It can be divided in two parts, 6349 and 5818, that added together give a cube (12167 = 23³).

The spelling of 63495818 in words is "sixty-three million, four hundred ninety-five thousand, eight hundred eighteen".