6122726399 has 4 divisors (see below), whose sum is σ = 6124256136. Its totient is φ = 6121196664.

The previous prime is 6122726381. The next prime is 6122726419. The reversal of 6122726399 is 9936272216.

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 6122726399 - 2²⁰ = 6121677823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6122726359) 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, 758849 + ... + 766874.

It is an arithmetic number, because the mean of its divisors is an integer number (1531064034).

Almost surely, 2^6122726399 is an apocalyptic number.

6122726399 is a deficient number, since it is larger than the sum of its proper divisors (1529737).

6122726399 is a wasteful number, since it uses less digits than its factorization.

6122726399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529736.

The product of its digits is 489888, while the sum is 47.

The square root of 6122726399 is about 78247.8523603044. The cubic root of 6122726399 is about 1829.4264378476.

The spelling of 6122726399 in words is "six billion, one hundred twenty-two million, seven hundred twenty-six thousand, three hundred ninety-nine".