10101091969 has 2 divisors, whose sum is σ = 10101091970. Its totient is φ = 10101091968.

The previous prime is 10101091967. The next prime is 10101092009. The reversal of 10101091969 is 96919010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821801025 + 279290944 = 99105^2 + 16712^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101091969 - 2¹ = 10101091967 is a prime.

It is a super-2 number, since 2×10101091969² (a number of 21 digits) contains 22 as substring.

Together with 10101091967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10101091963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050545984 + 5050545985.

It is an arithmetic number, because the mean of its divisors is an integer number (5050545985).

Almost surely, 2^10101091969 is an apocalyptic number.

It is an amenable number.

10101091969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101091969 is an equidigital number, since it uses as much as digits as its factorization.

10101091969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 37.

The spelling of 10101091969 in words is "ten billion, one hundred one million, ninety-one thousand, nine hundred sixty-nine".