2691142624 has 12 divisors (see below), whose sum is σ = 5298187104. Its totient is φ = 1345571296.

The previous prime is 2691142613. The next prime is 2691142639. The reversal of 2691142624 is 4262411962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42049072 + ... + 42049135.

It is an arithmetic number, because the mean of its divisors is an integer number (441515592).

Almost surely, 2^2691142624 is an apocalyptic number.

It is an amenable number.

2691142624 is a deficient number, since it is larger than the sum of its proper divisors (2607044480).

2691142624 is an equidigital number, since it uses as much as digits as its factorization.

2691142624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84098217 (or 84098209 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2691142624 is about 51876.2240723050. The cubic root of 2691142624 is about 1390.9523043031.

The spelling of 2691142624 in words is "two billion, six hundred ninety-one million, one hundred forty-two thousand, six hundred twenty-four".