64326269 has 12 divisors (see below), whose sum is σ = 76058748. Its totient is φ = 54230400.

The previous prime is 64326257. The next prime is 64326277. The reversal of 64326269 is 96262346.

It can be written as a sum of positive squares in 2 ways, for example, as 14341369 + 49984900 = 3787^2 + 7070^2 .

It is a de Polignac number, because none of the positive numbers 2^k-64326269 is a prime.

It is a super-2 number, since 2×64326269² = 8275737766920722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64326299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7772 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (6338229).

Almost surely, 2^64326269 is an apocalyptic number.

It is an amenable number.

64326269 is a deficient number, since it is larger than the sum of its proper divisors (11732479).

64326269 is a wasteful number, since it uses less digits than its factorization.

64326269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596 (or 21589 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 64326269 is about 8020.3658894093. The cubic root of 64326269 is about 400.6785752714.

The spelling of 64326269 in words is "sixty-four million, three hundred twenty-six thousand, two hundred sixty-nine".