2090984897 has 2 divisors, whose sum is σ = 2090984898. Its totient is φ = 2090984896.

The previous prime is 2090984879. The next prime is 2090984969. The reversal of 2090984897 is 7984890902.

It is a happy number.

Together with previous prime (2090984879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1947368641 + 143616256 = 44129^2 + 11984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090984897 - 2⁸ = 2090984641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2090984807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045492448 + 1045492449.

It is an arithmetic number, because the mean of its divisors is an integer number (1045492449).

Almost surely, 2^2090984897 is an apocalyptic number.

It is an amenable number.

2090984897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090984897 is an equidigital number, since it uses as much as digits as its factorization.

2090984897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 2090984897 is about 45727.2883189021. The cubic root of 2090984897 is about 1278.7440677687.

The spelling of 2090984897 in words is "two billion, ninety million, nine hundred eighty-four thousand, eight hundred ninety-seven".