2694645885 has 16 divisors (see below), whose sum is σ = 4316008896. Its totient is φ = 1435619328.

The previous prime is 2694645881. The next prime is 2694645913. The reversal of 2694645885 is 5885464962.

It is a happy number.

It is not a de Polignac number, because 2694645885 - 2² = 2694645881 is a prime.

It is a super-2 number, since 2×2694645885² = 14522232891094866450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2694645881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80644 + ... + 109053.

It is an arithmetic number, because the mean of its divisors is an integer number (269750556).

Almost surely, 2^2694645885 is an apocalyptic number.

It is an amenable number.

2694645885 is a deficient number, since it is larger than the sum of its proper divisors (1621363011).

2694645885 is a wasteful number, since it uses less digits than its factorization.

2694645885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190652.

The product of its digits is 16588800, while the sum is 57.

The square root of 2694645885 is about 51909.9786649927. The cubic root of 2694645885 is about 1391.5556113626. Note that the first 3 decimals are identical.

The spelling of 2694645885 in words is "two billion, six hundred ninety-four million, six hundred forty-five thousand, eight hundred eighty-five".