2697005138 has 4 divisors (see below), whose sum is σ = 4045507710. Its totient is φ = 1348502568.

The previous prime is 2697005099. The next prime is 2697005159. The reversal of 2697005138 is 8315007962.

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., 1762908169 + 934096969 = 41987^2 + 30563^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2697005095 and 2697005104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674251283 + ... + 674251286.

Almost surely, 2^2697005138 is an apocalyptic number.

2697005138 is a deficient number, since it is larger than the sum of its proper divisors (1348502572).

2697005138 is a wasteful number, since it uses less digits than its factorization.

2697005138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348502571.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2697005138 is about 51932.6981582894. The cubic root of 2697005138 is about 1391.9616107928.

The spelling of 2697005138 in words is "two billion, six hundred ninety-seven million, five thousand, one hundred thirty-eight".