2100064969 has 2 divisors, whose sum is σ = 2100064970. Its totient is φ = 2100064968.

The previous prime is 2100064937. The next prime is 2100064999. The reversal of 2100064969 is 9694600012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999162944 + 100902025 = 44712^2 + 10045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100064969 - 2⁵ = 2100064937 is a prime.

It is a super-2 number, since 2×2100064969² = 8820545748041941922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100064919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050032484 + 1050032485.

It is an arithmetic number, because the mean of its divisors is an integer number (1050032485).

Almost surely, 2^2100064969 is an apocalyptic number.

It is an amenable number.

2100064969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100064969 is an equidigital number, since it uses as much as digits as its factorization.

2100064969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2100064969 is about 45826.4658139813. The cubic root of 2100064969 is about 1280.5923708748.

The spelling of 2100064969 in words is "two billion, one hundred million, sixty-four thousand, nine hundred sixty-nine".