63793689690 has 128 divisors (see below), whose sum is σ = 156666555648. Its totient is φ = 16622028800.

The previous prime is 63793689653. The next prime is 63793689793. The reversal of 63793689690 is 9698639736.

It is a super-2 number, since 2×63793689690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94229632 + ... + 94230308.

It is an arithmetic number, because the mean of its divisors is an integer number (1223957466).

Almost surely, 2^63793689690 is an apocalyptic number.

63793689690 is an abundant number, since it is smaller than the sum of its proper divisors (92872865958).

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

63793689690 is a wasteful number, since it uses less digits than its factorization.

63793689690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 79361856, while the sum is 66.

The spelling of 63793689690 in words is "sixty-three billion, seven hundred ninety-three million, six hundred eighty-nine thousand, six hundred ninety".