10100209969 has 2 divisors, whose sum is σ = 10100209970. Its totient is φ = 10100209968.

The previous prime is 10100209967. The next prime is 10100210011. The reversal of 10100209969 is 96990200101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5261616369 + 4838593600 = 72537^2 + 69560^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100209969 - 2¹ = 10100209967 is a prime.

It is a super-2 number, since 2×10100209969² (a number of 21 digits) contains 22 as substring.

Together with 10100209967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10100209967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050104984 + 5050104985.

It is an arithmetic number, because the mean of its divisors is an integer number (5050104985).

Almost surely, 2^10100209969 is an apocalyptic number.

It is an amenable number.

10100209969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100209969 is an equidigital number, since it uses as much as digits as its factorization.

10100209969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 10100209969 in words is "ten billion, one hundred million, two hundred nine thousand, nine hundred sixty-nine".