63431655842 has 16 divisors (see below), whose sum is σ = 95335199232. Its totient is φ = 31653309600.

The previous prime is 63431655829. The next prime is 63431655851. The reversal of 63431655842 is 24855613436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606543 + ... + 2630765.

It is an arithmetic number, because the mean of its divisors is an integer number (5958449952).

Almost surely, 2^63431655842 is an apocalyptic number.

63431655842 is a deficient number, since it is larger than the sum of its proper divisors (31903543390).

63431655842 is a wasteful number, since it uses less digits than its factorization.

63431655842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26753.

The product of its digits is 2073600, while the sum is 47.

The spelling of 63431655842 in words is "sixty-three billion, four hundred thirty-one million, six hundred fifty-five thousand, eight hundred forty-two".