2742090957 has 12 divisors (see below), whose sum is σ = 4088566144. Its totient is φ = 1769090760.

The previous prime is 2742090913. The next prime is 2742090983. The reversal of 2742090957 is 7590902472.

It is not a de Polignac number, because 2742090957 - 2⁷ = 2742090829 is a prime.

It is a super-2 number, since 2×2742090957² = 15038125632922351698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742090997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4913863 + ... + 4914420.

Almost surely, 2^2742090957 is an apocalyptic number.

It is an amenable number.

2742090957 is a deficient number, since it is larger than the sum of its proper divisors (1346475187).

2742090957 is a wasteful number, since it uses less digits than its factorization.

2742090957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828320 (or 9828317 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2742090957 is about 52364.9783443095. The cubic root of 2742090957 is about 1399.6752575020.

The spelling of 2742090957 in words is "two billion, seven hundred forty-two million, ninety thousand, nine hundred fifty-seven".