2697391868 has 12 divisors (see below), whose sum is σ = 4721210760. Its totient is φ = 1348474512.

The previous prime is 2697391847. The next prime is 2697391901. The reversal of 2697391868 is 8681937962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26246 + ... + 77997.

It is an arithmetic number, because the mean of its divisors is an integer number (393434230).

Almost surely, 2^2697391868 is an apocalyptic number.

It is an amenable number.

2697391868 is a deficient number, since it is larger than the sum of its proper divisors (2023818892).

2697391868 is a wasteful number, since it uses less digits than its factorization.

2697391868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110716 (or 110714 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 2697391868 is about 51936.4214015560. The cubic root of 2697391868 is about 1392.0281398449.

The spelling of 2697391868 in words is "two billion, six hundred ninety-seven million, three hundred ninety-one thousand, eight hundred sixty-eight".