63996392742 has 32 divisors (see below), whose sum is σ = 129110129280. Its totient is φ = 21146261760.

The previous prime is 63996392737. The next prime is 63996392771. The reversal of 63996392742 is 24729369936.

It is a congruent number.

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, 686373 + ... + 774015.

It is an arithmetic number, because the mean of its divisors is an integer number (4034691540).

Almost surely, 2^63996392742 is an apocalyptic number.

63996392742 is an abundant number, since it is smaller than the sum of its proper divisors (65113736538).

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

63996392742 is a wasteful number, since it uses less digits than its factorization.

63996392742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88708.

The product of its digits is 26453952, while the sum is 60.

The spelling of 63996392742 in words is "sixty-three billion, nine hundred ninety-six million, three hundred ninety-two thousand, seven hundred forty-two".