2897790922413 has 20 divisors (see below), whose sum is σ = 4328862646108. Its totient is φ = 1931832115200.

The previous prime is 2897790922409. The next prime is 2897790922421. The reversal of 2897790922413 is 3142290977982.

2897790922413 is a `hidden beast` number, since 28 + 97 + 7 + 90 + 9 + 22 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 332626720644 + 2565164201769 = 576738^2 + 1601613^2 .

It is not a de Polignac number, because 2897790922413 - 2² = 2897790922409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897790922513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6245763 + ... + 6693663.

Almost surely, 2^{2897790922413} is an apocalyptic number.

It is an amenable number.

2897790922413 is a deficient number, since it is larger than the sum of its proper divisors (1431071723695).

2897790922413 is an equidigital number, since it uses as much as digits as its factorization.

2897790922413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527786 (or 527777 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 2897790922413 in words is "two trillion, eight hundred ninety-seven billion, seven hundred ninety million, nine hundred twenty-two thousand, four hundred thirteen".