2099369771 has 2 divisors, whose sum is σ = 2099369772. Its totient is φ = 2099369770.

The previous prime is 2099369731. The next prime is 2099369777. The reversal of 2099369771 is 1779639902.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099369771 - 2³⁰ = 1025627947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2099369777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049684885 + 1049684886.

It is an arithmetic number, because the mean of its divisors is an integer number (1049684886).

Almost surely, 2^2099369771 is an apocalyptic number.

2099369771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099369771 is an equidigital number, since it uses as much as digits as its factorization.

2099369771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 2099369771 is about 45818.8800714291. The cubic root of 2099369771 is about 1280.4510477057.

The spelling of 2099369771 in words is "two billion, ninety-nine million, three hundred sixty-nine thousand, seven hundred seventy-one".