63456746402 has 64 divisors (see below), whose sum is σ = 122401843200. Its totient is φ = 24043029120.

The previous prime is 63456746399. The next prime is 63456746461. The reversal of 63456746402 is 20464765436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124349 + ... + 377327.

It is an arithmetic number, because the mean of its divisors is an integer number (1912528800).

Almost surely, 2^63456746402 is an apocalyptic number.

63456746402 is a deficient number, since it is larger than the sum of its proper divisors (58945096798).

63456746402 is a wasteful number, since it uses less digits than its factorization.

63456746402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253071.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 63456746402 in words is "sixty-three billion, four hundred fifty-six million, seven hundred forty-six thousand, four hundred two".