63842097516 has 12 divisors (see below), whose sum is σ = 148964894232. Its totient is φ = 21280699168.

The previous prime is 63842097493. The next prime is 63842097521. The reversal of 63842097516 is 61579024836.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660087385 + ... + 2660087408.

It is an arithmetic number, because the mean of its divisors is an integer number (12413741186).

It is a 2-persistent number, because it is pandigital, and so is 2⋅63842097516 = 127684195032, but 3⋅63842097516 = 191526292548 is not.

Almost surely, 2^63842097516 is an apocalyptic number.

63842097516 is the 159803-rd centered pentagonal number.

It is an amenable number.

63842097516 is an abundant number, since it is smaller than the sum of its proper divisors (85122796716).

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

63842097516 is a wasteful number, since it uses less digits than its factorization.

63842097516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320174800 (or 5320174798 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 63842097516 in words is "sixty-three billion, eight hundred forty-two million, ninety-seven thousand, five hundred sixteen".