2101264969 has 4 divisors (see below), whose sum is σ = 2108021760. Its totient is φ = 2094508180.

The previous prime is 2101264933. The next prime is 2101265009. The reversal of 2101264969 is 9694621012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101264969 is a prime.

It is a super-2 number, since 2×2101264969² = 8830628939893141922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101264369) 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 in 3 ways as a sum of consecutive naturals, for example, 3377929 + ... + 3378550.

It is an arithmetic number, because the mean of its divisors is an integer number (527005440).

Almost surely, 2^2101264969 is an apocalyptic number.

It is an amenable number.

2101264969 is a deficient number, since it is larger than the sum of its proper divisors (6756791).

2101264969 is an equidigital number, since it uses as much as digits as its factorization.

2101264969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756790.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2101264969 is about 45839.5568150479. The cubic root of 2101264969 is about 1280.8362392412.

The spelling of 2101264969 in words is "two billion, one hundred one million, two hundred sixty-four thousand, nine hundred sixty-nine".