5266721679 has 8 divisors (see below), whose sum is σ = 7048401840. Its totient is φ = 3498094656.

The previous prime is 5266721651. The next prime is 5266721687. The reversal of 5266721679 is 9761276625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5266721679 - 2²⁰ = 5265673103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266721179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3262342 + ... + 3263955.

It is an arithmetic number, because the mean of its divisors is an integer number (881050230).

Almost surely, 2^5266721679 is an apocalyptic number.

5266721679 is a deficient number, since it is larger than the sum of its proper divisors (1781680161).

5266721679 is a wasteful number, since it uses less digits than its factorization.

5266721679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526569.

The product of its digits is 1905120, while the sum is 51.

The square root of 5266721679 is about 72572.1825426244. The cubic root of 5266721679 is about 1739.8566049752.

The spelling of 5266721679 in words is "five billion, two hundred sixty-six million, seven hundred twenty-one thousand, six hundred seventy-nine".