2097799969 has 2 divisors, whose sum is σ = 2097799970. Its totient is φ = 2097799968.

The previous prime is 2097799961. The next prime is 2097800041. The reversal of 2097799969 is 9699977902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2003457600 + 94342369 = 44760^2 + 9713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097799969 - 2³ = 2097799961 is a prime.

It is a super-2 number, since 2×2097799969² = 8801529419872801922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2097799961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048899984 + 1048899985.

It is an arithmetic number, because the mean of its divisors is an integer number (1048899985).

Almost surely, 2^2097799969 is an apocalyptic number.

It is an amenable number.

2097799969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097799969 is an equidigital number, since it uses as much as digits as its factorization.

2097799969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34720812, while the sum is 67.

The square root of 2097799969 is about 45801.7463531687. The cubic root of 2097799969 is about 1280.1318160555.

The spelling of 2097799969 in words is "two billion, ninety-seven million, seven hundred ninety-nine thousand, nine hundred sixty-nine".