2264664999809 has 16 divisors (see below), whose sum is σ = 2331026232192. Its totient is φ = 2198577063168.

The previous prime is 2264664999767. The next prime is 2264664999833. The reversal of 2264664999809 is 9089994664622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2264664999809 - 2²⁰ = 2264663951233 is a prime.

It is a super-2 number, since 2×2264664999809² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2264664992809) 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 15 ways as a sum of consecutive naturals, for example, 102033017 + ... + 102055209.

It is an arithmetic number, because the mean of its divisors is an integer number (145689139512).

Almost surely, 2^{2264664999809} is an apocalyptic number.

It is an amenable number.

2264664999809 is a deficient number, since it is larger than the sum of its proper divisors (66361232383).

2264664999809 is a wasteful number, since it uses less digits than its factorization.

2264664999809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28216.

The product of its (nonzero) digits is 725594112, while the sum is 74.

The spelling of 2264664999809 in words is "two trillion, two hundred sixty-four billion, six hundred sixty-four million, nine hundred ninety-nine thousand, eight hundred nine".