2699716139 has 4 divisors (see below), whose sum is σ = 2709256056. Its totient is φ = 2690176224.

The previous prime is 2699716133. The next prime is 2699716147. The reversal of 2699716139 is 9316179962.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2699716139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2699716133) 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, 4769534 + ... + 4770099.

It is an arithmetic number, because the mean of its divisors is an integer number (677314014).

Almost surely, 2^2699716139 is an apocalyptic number.

2699716139 is a deficient number, since it is larger than the sum of its proper divisors (9539917).

2699716139 is an equidigital number, since it uses as much as digits as its factorization.

2699716139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539916.

The product of its digits is 1102248, while the sum is 53.

The square root of 2699716139 is about 51958.7927015245. The cubic root of 2699716139 is about 1392.4278496311.

The spelling of 2699716139 in words is "two billion, six hundred ninety-nine million, seven hundred sixteen thousand, one hundred thirty-nine".