64452369 has 16 divisors (see below), whose sum is σ = 89913600. Its totient is φ = 41024640.

The previous prime is 64452359. The next prime is 64452383. The reversal of 64452369 is 96325446.

It is not a de Polignac number, because 64452369 - 2¹⁷ = 64321297 is a prime.

It is a super-2 number, since 2×64452369² = 8308215739424322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64452359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (5619600).

Almost surely, 2^64452369 is an apocalyptic number.

It is an amenable number.

64452369 is a deficient number, since it is larger than the sum of its proper divisors (25461231).

64452369 is a wasteful number, since it uses less digits than its factorization.

64452369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240.

The product of its digits is 155520, while the sum is 39.

The square root of 64452369 is about 8028.2232779115. The cubic root of 64452369 is about 400.9402236338.

The spelling of 64452369 in words is "sixty-four million, four hundred fifty-two thousand, three hundred sixty-nine".