2090377697 has 2 divisors, whose sum is σ = 2090377698. Its totient is φ = 2090377696.

The previous prime is 2090377673. The next prime is 2090377733. The reversal of 2090377697 is 7967730902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1530061456 + 560316241 = 39116^2 + 23671^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090377697 - 2¹⁴ = 2090361313 is a prime.

It is a super-2 number, since 2×2090377697² = 8739357832230047618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2090377297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045188848 + 1045188849.

It is an arithmetic number, because the mean of its divisors is an integer number (1045188849).

Almost surely, 2^2090377697 is an apocalyptic number.

It is an amenable number.

2090377697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090377697 is an equidigital number, since it uses as much as digits as its factorization.

2090377697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The square root of 2090377697 is about 45720.6484752787. The cubic root of 2090377697 is about 1278.6202778473.

The spelling of 2090377697 in words is "two billion, ninety million, three hundred seventy-seven thousand, six hundred ninety-seven".