63440735914 has 8 divisors (see below), whose sum is σ = 95284852740. Its totient is φ = 31679118336.

The previous prime is 63440735867. The next prime is 63440735927. The reversal of 63440735914 is 41953704436.

It can be written as a sum of positive squares in 2 ways, for example, as 62988450625 + 452285289 = 250975^2 + 21267^2 .

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

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, 20622889 + ... + 20625964.

Almost surely, 2^63440735914 is an apocalyptic number.

63440735914 is a deficient number, since it is larger than the sum of its proper divisors (31844116826).

63440735914 is a wasteful number, since it uses less digits than its factorization.

63440735914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41249624.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 63440735914 in words is "sixty-three billion, four hundred forty million, seven hundred thirty-five thousand, nine hundred fourteen".