2090372689 has 2 divisors, whose sum is σ = 2090372690. Its totient is φ = 2090372688.

The previous prime is 2090372681. The next prime is 2090372719. The reversal of 2090372689 is 9862730902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090318400 + 54289 = 45720^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090372689 - 2³ = 2090372681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2090372681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045186344 + 1045186345.

It is an arithmetic number, because the mean of its divisors is an integer number (1045186345).

Almost surely, 2^2090372689 is an apocalyptic number.

It is an amenable number.

2090372689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090372689 is an equidigital number, since it uses as much as digits as its factorization.

2090372689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2090372689 is about 45720.5937078687. The cubic root of 2090372689 is about 1278.6192567662.

The spelling of 2090372689 in words is "two billion, ninety million, three hundred seventy-two thousand, six hundred eighty-nine".