63942478292 has 48 divisors (see below), whose sum is σ = 139681342080. Its totient is φ = 24882211200.

The previous prime is 63942478283. The next prime is 63942478349. The reversal of 63942478292 is 29287424936.

63942478292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 126434 + ... + 379302.

It is an arithmetic number, because the mean of its divisors is an integer number (2910027960).

Almost surely, 2^63942478292 is an apocalyptic number.

It is a pronic number, being equal to 252868×252869.

It is an amenable number.

63942478292 is an abundant number, since it is smaller than the sum of its proper divisors (75738863788).

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

63942478292 is a wasteful number, since it uses less digits than its factorization.

63942478292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253712 (or 253710 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 63942478292 in words is "sixty-three billion, nine hundred forty-two million, four hundred seventy-eight thousand, two hundred ninety-two".