2138597068 has 6 divisors (see below), whose sum is σ = 3742544876. Its totient is φ = 1069298532.

The previous prime is 2138597047. The next prime is 2138597099. The reversal of 2138597068 is 8607958312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267324630 + ... + 267324637.

Almost surely, 2^2138597068 is an apocalyptic number.

It is an amenable number.

2138597068 is a deficient number, since it is larger than the sum of its proper divisors (1603947808).

2138597068 is a wasteful number, since it uses less digits than its factorization.

2138597068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534649271 (or 534649269 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 2138597068 is about 46244.9680289651. The cubic root of 2138597068 is about 1288.3770765292.

The spelling of 2138597068 in words is "two billion, one hundred thirty-eight million, five hundred ninety-seven thousand, sixty-eight".