64433824943 has 2 divisors, whose sum is σ = 64433824944. Its totient is φ = 64433824942.

The previous prime is 64433824913. The next prime is 64433824951. The reversal of 64433824943 is 34942833446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64433824943 - 2⁸ = 64433824687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64433824891 and 64433824900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64433824913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216912471 + 32216912472.

It is an arithmetic number, because the mean of its divisors is an integer number (32216912472).

Almost surely, 2^64433824943 is an apocalyptic number.

64433824943 is a deficient number, since it is larger than the sum of its proper divisors (1).

64433824943 is an equidigital number, since it uses as much as digits as its factorization.

64433824943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 50.

The spelling of 64433824943 in words is "sixty-four billion, four hundred thirty-three million, eight hundred twenty-four thousand, nine hundred forty-three".