6363636402 has 32 divisors (see below), whose sum is σ = 13170600000. Its totient is φ = 2047373888.

The previous prime is 6363636397. The next prime is 6363636413. The reversal of 6363636402 is 2046363636.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844849 + ... + 852347.

It is an arithmetic number, because the mean of its divisors is an integer number (411581250).

Almost surely, 2^6363636402 is an apocalyptic number.

6363636402 is an abundant number, since it is smaller than the sum of its proper divisors (6806963598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6363636402 is a wasteful number, since it uses less digits than its factorization.

6363636402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410.

The product of its (nonzero) digits is 279936, while the sum is 39.

The square root of 6363636402 is about 79772.4037622034. The cubic root of 6363636402 is about 1853.1125011265.

The spelling of 6363636402 in words is "six billion, three hundred sixty-three million, six hundred thirty-six thousand, four hundred two".