63954780522612 has 96 divisors (see below), whose sum is σ = 170656442191872. Its totient is φ = 18260973092736.

The previous prime is 63954780522601. The next prime is 63954780522643. The reversal of 63954780522612 is 21622508745936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1178059333 + ... + 1178113619.

It is an arithmetic number, because the mean of its divisors is an integer number (1777671272832).

It is a 1-persistent number, because it is pandigital, but 2⋅63954780522612 = 127909561045224 is not.

Almost surely, 2^{63954780522612} is an apocalyptic number.

It is an amenable number.

63954780522612 is an abundant number, since it is smaller than the sum of its proper divisors (106701661669260).

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

63954780522612 is a wasteful number, since it uses less digits than its factorization.

63954780522612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63117 (or 63115 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 63954780522612 in words is "sixty-three trillion, nine hundred fifty-four billion, seven hundred eighty million, five hundred twenty-two thousand, six hundred twelve".