5122213726639 has 4 divisors (see below), whose sum is σ = 5122371060856. Its totient is φ = 5122056392424.

The previous prime is 5122213726607. The next prime is 5122213726699. The reversal of 5122213726639 is 9366273122215.

It is a happy number.

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 5122213726639 - 2⁵ = 5122213726607 is a prime.

It is a super-2 number, since 2×5122213726639² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5122213726592 and 5122213726601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122213726699) 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, 78618264 + ... + 78683389.

It is an arithmetic number, because the mean of its divisors is an integer number (1280592765214).

Almost surely, 2^{5122213726639} is an apocalyptic number.

5122213726639 is a deficient number, since it is larger than the sum of its proper divisors (157334217).

5122213726639 is a wasteful number, since it uses less digits than its factorization.

5122213726639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157334216.

The product of its digits is 1632960, while the sum is 49.

The spelling of 5122213726639 in words is "five trillion, one hundred twenty-two billion, two hundred thirteen million, seven hundred twenty-six thousand, six hundred thirty-nine".