63400669320 has 64 divisors (see below), whose sum is σ = 198471669120. Its totient is φ = 16171764224.

The previous prime is 63400669291. The next prime is 63400669357. The reversal of 63400669320 is 2396600436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11482869 + ... + 11488388.

It is an arithmetic number, because the mean of its divisors is an integer number (3101119830).

Almost surely, 2^63400669320 is an apocalyptic number.

63400669320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63400669320 is an abundant number, since it is smaller than the sum of its proper divisors (135070999800).

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

63400669320 is a wasteful number, since it uses less digits than its factorization.

63400669320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971294 (or 22971290 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 63400669320 in words is "sixty-three billion, four hundred million, six hundred sixty-nine thousand, three hundred twenty".