2113019969 has 2 divisors, whose sum is σ = 2113019970. Its totient is φ = 2113019968.

The previous prime is 2113019927. The next prime is 2113019983. The reversal of 2113019969 is 9699103112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1941724225 + 171295744 = 44065^2 + 13088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113019969 is a prime.

It is a super-2 number, since 2×2113019969² = 8929706778785521922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113069969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056509984 + 1056509985.

It is an arithmetic number, because the mean of its divisors is an integer number (1056509985).

Almost surely, 2^2113019969 is an apocalyptic number.

It is an amenable number.

2113019969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113019969 is an equidigital number, since it uses as much as digits as its factorization.

2113019969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 2113019969 is about 45967.5969461098. The cubic root of 2113019969 is about 1283.2202382524.

The spelling of 2113019969 in words is "two billion, one hundred thirteen million, nineteen thousand, nine hundred sixty-nine".