120639036593 has 4 divisors (see below), whose sum is σ = 120817233780. Its totient is φ = 120460839408.

The previous prime is 120639036587. The next prime is 120639036619. The reversal of 120639036593 is 395630936021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116313738304 + 4325298289 = 341048^2 + 65767^2 .

It is a cyclic number.

It is not a de Polignac number, because 120639036593 - 2²⁰ = 120637988017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120639836593) 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, 89097578 + ... + 89098931.

It is an arithmetic number, because the mean of its divisors is an integer number (30204308445).

Almost surely, 2^120639036593 is an apocalyptic number.

It is an amenable number.

120639036593 is a deficient number, since it is larger than the sum of its proper divisors (178197187).

120639036593 is an equidigital number, since it uses as much as digits as its factorization.

120639036593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178197186.

The product of its (nonzero) digits is 787320, while the sum is 47.

The spelling of 120639036593 in words is "one hundred twenty billion, six hundred thirty-nine million, thirty-six thousand, five hundred ninety-three".