2691977722 has 48 divisors (see below), whose sum is σ = 5038709760. Its totient is φ = 1055236896.

The previous prime is 2691977689. The next prime is 2691977731. The reversal of 2691977722 is 2277791962.

It is a self number, because there is not a number n which added to its sum of digits gives 2691977722.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137383 + ... + 155749.

It is an arithmetic number, because the mean of its divisors is an integer number (104973120).

Almost surely, 2^2691977722 is an apocalyptic number.

2691977722 is a deficient number, since it is larger than the sum of its proper divisors (2346732038).

2691977722 is a wasteful number, since it uses less digits than its factorization.

2691977722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443 (or 18424 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 52.

The square root of 2691977722 is about 51884.2723953994. The cubic root of 2691977722 is about 1391.0961665355.

The spelling of 2691977722 in words is "two billion, six hundred ninety-one million, nine hundred seventy-seven thousand, seven hundred twenty-two".