5390239812722 has 4 divisors (see below), whose sum is σ = 8085359719086. Its totient is φ = 2695119906360.

The previous prime is 5390239812719. The next prime is 5390239812773. The reversal of 5390239812722 is 2272189320935.

It is a Cunningham number, because it is equal to 2321689²+1.

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., 5390239812721 + 1 = 2321689^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347559953179 + ... + 1347559953182.

Almost surely, 2^{5390239812722} is an apocalyptic number.

5390239812722 is a deficient number, since it is larger than the sum of its proper divisors (2695119906364).

5390239812722 is a wasteful number, since it uses less digits than its factorization.

5390239812722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695119906363.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 5390239812722 in words is "five trillion, three hundred ninety billion, two hundred thirty-nine million, eight hundred twelve thousand, seven hundred twenty-two".