632747426959 has 4 divisors (see below), whose sum is σ = 632749572360. Its totient is φ = 632745281560.

The previous prime is 632747426957. The next prime is 632747427019. The reversal of 632747426959 is 959624747236.

632747426959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632747426959 - 2¹ = 632747426957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632747426959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632747426957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543169 + ... + 1249210.

It is an arithmetic number, because the mean of its divisors is an integer number (158187393090).

Almost surely, 2^632747426959 is an apocalyptic number.

632747426959 is a deficient number, since it is larger than the sum of its proper divisors (2145401).

632747426959 is a wasteful number, since it uses less digits than its factorization.

632747426959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145400.

The product of its digits is 137168640, while the sum is 64.

The spelling of 632747426959 in words is "six hundred thirty-two billion, seven hundred forty-seven million, four hundred twenty-six thousand, nine hundred fifty-nine".