63940328470 has 8 divisors (see below), whose sum is σ = 115092591264. Its totient is φ = 25576131384.

The previous prime is 63940328453. The next prime is 63940328537. The reversal of 63940328470 is 7482304936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63940328470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197016414 + ... + 3197016433.

It is an arithmetic number, because the mean of its divisors is an integer number (14386573908).

Almost surely, 2^63940328470 is an apocalyptic number.

63940328470 is a deficient number, since it is larger than the sum of its proper divisors (51152262794).

63940328470 is a wasteful number, since it uses less digits than its factorization.

63940328470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394032854.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 63940328470 in words is "sixty-three billion, nine hundred forty million, three hundred twenty-eight thousand, four hundred seventy".