63831274472742 has 32 divisors (see below), whose sum is σ = 146438432553984. Its totient is φ = 18170209915200.

The previous prime is 63831274472683. The next prime is 63831274472809. The reversal of 63831274472742 is 24727447213836.

It is a happy number.

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, 2804033359 + ... + 2804056122.

It is an arithmetic number, because the mean of its divisors is an integer number (4576201017312).

Almost surely, 2^{63831274472742} is an apocalyptic number.

63831274472742 is an abundant number, since it is smaller than the sum of its proper divisors (82607158081242).

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

63831274472742 is a wasteful number, since it uses less digits than its factorization.

63831274472742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608089764.

The product of its digits is 75866112, while the sum is 60.

The spelling of 63831274472742 in words is "sixty-three trillion, eight hundred thirty-one billion, two hundred seventy-four million, four hundred seventy-two thousand, seven hundred forty-two".