64812433 has 4 divisors (see below), whose sum is σ = 74071360. Its totient is φ = 55553508.

The previous prime is 64812379. The next prime is 64812437. The reversal of 64812433 is 33421846.

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 not a de Polignac number, because 64812433 - 2⁹ = 64811921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64812395 and 64812404.

It is not an unprimeable number, because it can be changed into a prime (64812437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629453 + ... + 4629466.

It is an arithmetic number, because the mean of its divisors is an integer number (18517840).

Almost surely, 2^64812433 is an apocalyptic number.

It is an amenable number.

64812433 is a deficient number, since it is larger than the sum of its proper divisors (9258927).

64812433 is an equidigital number, since it uses as much as digits as its factorization.

64812433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258926.

The product of its digits is 13824, while the sum is 31.

The square root of 64812433 is about 8050.6169328816. The cubic root of 64812433 is about 401.6854568629.

The spelling of 64812433 in words is "sixty-four million, eight hundred twelve thousand, four hundred thirty-three".