6924139999 has 8 divisors (see below), whose sum is σ = 8329792640. Its totient is φ = 5622609816.

The previous prime is 6924139931. The next prime is 6924140011. The reversal of 6924139999 is 9999314296.

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

It is a cyclic number.

It is not a de Polignac number, because 6924139999 - 2⁹ = 6924139487 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 (6924130999) 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, 26030469 + ... + 26030734.

It is an arithmetic number, because the mean of its divisors is an integer number (1041224080).

Almost surely, 2^6924139999 is an apocalyptic number.

6924139999 is a deficient number, since it is larger than the sum of its proper divisors (1405652641).

6924139999 is a wasteful number, since it uses less digits than its factorization.

6924139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52061229.

The product of its digits is 8503056, while the sum is 61.

The square root of 6924139999 is about 83211.4174798146. The cubic root of 6924139999 is about 1905.9958327232.

The spelling of 6924139999 in words is "six billion, nine hundred twenty-four million, one hundred thirty-nine thousand, nine hundred ninety-nine".