632632642738 has 4 divisors (see below), whose sum is σ = 948948964110.
Its totient is φ = 316316321368.
The previous prime is 632632642729. The next prime is 632632642757. The reversal of 632632642738 is 837246236236.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 505474075089 + 127158567649 = 710967^2 + 356593^2
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158158160683 + ... + 158158160686.
Almost surely, 2632632642738 is an apocalyptic number.
632632642738 is a deficient number, since it is larger than the sum of its proper divisors (316316321372).
632632642738 is a wasteful number, since it uses less digits than its factorization.
632632642738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316316321371.
The product of its digits is 10450944, while the sum is 52.
The spelling of 632632642738 in words is "six hundred thirty-two billion, six hundred thirty-two million, six hundred forty-two thousand, seven hundred thirty-eight".