2699716138 has 16 divisors (see below), whose sum is σ = 4686670080. Its totient is φ = 1142374896.

The previous prime is 2699716133. The next prime is 2699716147. The reversal of 2699716138 is 8316179962.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 1219381 + ... + 1221592.

It is an arithmetic number, because the mean of its divisors is an integer number (292916880).

Almost surely, 2^2699716138 is an apocalyptic number.

2699716138 is a deficient number, since it is larger than the sum of its proper divisors (1986953942).

2699716138 is a wasteful number, since it uses less digits than its factorization.

2699716138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441061.

The product of its digits is 979776, while the sum is 52.

The square root of 2699716138 is about 51958.7926919015. The cubic root of 2699716138 is about 1392.4278494592.

The spelling of 2699716138 in words is "two billion, six hundred ninety-nine million, seven hundred sixteen thousand, one hundred thirty-eight".