63313623634 has 8 divisors (see below), whose sum is σ = 100556931708. Its totient is φ = 29794646400.

The previous prime is 63313623599. The next prime is 63313623641. The reversal of 63313623634 is 43632631336.

It can be written as a sum of positive squares in 2 ways, for example, as 62632570225 + 681053409 = 250265^2 + 26097^2 .

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

It is a super-2 number, since 2×63313623634² (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 3 ways as a sum of consecutive naturals, for example, 931082667 + ... + 931082734.

Almost surely, 2^63313623634 is an apocalyptic number.

63313623634 is a deficient number, since it is larger than the sum of its proper divisors (37243308074).

63313623634 is a wasteful number, since it uses less digits than its factorization.

63313623634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862165420.

The product of its digits is 419904, while the sum is 40.

The spelling of 63313623634 in words is "sixty-three billion, three hundred thirteen million, six hundred twenty-three thousand, six hundred thirty-four".