2957426897 has 4 divisors (see below), whose sum is σ = 2959582260. Its totient is φ = 2955271536.

The previous prime is 2957426887. The next prime is 2957426933. The reversal of 2957426897 is 7986247592.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1713877201 + 1243549696 = 41399^2 + 35264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2957426897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2957426807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075622 + ... + 1078367.

It is an arithmetic number, because the mean of its divisors is an integer number (739895565).

Almost surely, 2^2957426897 is an apocalyptic number.

It is an amenable number.

2957426897 is a deficient number, since it is larger than the sum of its proper divisors (2155363).

2957426897 is a wasteful number, since it uses less digits than its factorization.

2957426897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155362.

The product of its digits is 15240960, while the sum is 59.

The square root of 2957426897 is about 54382.2296067383. The cubic root of 2957426897 is about 1435.3947037127.

The spelling of 2957426897 in words is "two billion, nine hundred fifty-seven million, four hundred twenty-six thousand, eight hundred ninety-seven".