64361853 has 12 divisors (see below), whose sum is σ = 94144960. Its totient is φ = 42364296.

The previous prime is 64361849. The next prime is 64361867. The reversal of 64361853 is 35816346.

64361853 is a `hidden beast` number, since 643 + 6 + 1 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 64361853 - 2² = 64361849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64361653) 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, 44551 + ... + 45972.

Almost surely, 2^64361853 is an apocalyptic number.

It is an amenable number.

64361853 is a deficient number, since it is larger than the sum of its proper divisors (29783107).

64361853 is a wasteful number, since it uses less digits than its factorization.

64361853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90608 (or 90605 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 64361853 is about 8022.5839353665. The cubic root of 64361853 is about 400.7524440988.

The spelling of 64361853 in words is "sixty-four million, three hundred sixty-one thousand, eight hundred fifty-three".