2696005138 has 4 divisors (see below), whose sum is σ = 4044007710. Its totient is φ = 1348002568.

The previous prime is 2696005093. The next prime is 2696005139. The reversal of 2696005138 is 8315006962.

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

It can be written as a sum of positive squares in only one way, i.e., 2686659889 + 9345249 = 51833^2 + 3057^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2696005138.

It is not an unprimeable number, because it can be changed into a prime (2696005139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674001283 + ... + 674001286.

Almost surely, 2^2696005138 is an apocalyptic number.

2696005138 is a deficient number, since it is larger than the sum of its proper divisors (1348002572).

2696005138 is a wasteful number, since it uses less digits than its factorization.

2696005138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348002571.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2696005138 is about 51923.0694200564. The cubic root of 2696005138 is about 1391.7895515873.

The spelling of 2696005138 in words is "two billion, six hundred ninety-six million, five thousand, one hundred thirty-eight".