6244907399 has 4 divisors (see below), whose sum is σ = 6516425136. Its totient is φ = 5973389664.

The previous prime is 6244907321. The next prime is 6244907413. The reversal of 6244907399 is 9937094426.

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 6244907399 - 2²⁰ = 6243858823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6244907399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244907309) 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, 135758834 + ... + 135758879.

It is an arithmetic number, because the mean of its divisors is an integer number (1629106284).

Almost surely, 2^6244907399 is an apocalyptic number.

6244907399 is a deficient number, since it is larger than the sum of its proper divisors (271517737).

6244907399 is a wasteful number, since it uses less digits than its factorization.

6244907399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271517736.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 6244907399 is about 79024.7265037975. The cubic root of 6244907399 is about 1841.5153119743.

The spelling of 6244907399 in words is "six billion, two hundred forty-four million, nine hundred seven thousand, three hundred ninety-nine".