64824959933 has 2 divisors, whose sum is σ = 64824959934. Its totient is φ = 64824959932.

The previous prime is 64824959917. The next prime is 64824959957. The reversal of 64824959933 is 33995942846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50435278084 + 14389681849 = 224578^2 + 119957^2 .

It is a cyclic number.

It is not a de Polignac number, because 64824959933 - 2⁴ = 64824959917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64824959333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32412479966 + 32412479967.

It is an arithmetic number, because the mean of its divisors is an integer number (32412479967).

Almost surely, 2^64824959933 is an apocalyptic number.

It is an amenable number.

64824959933 is a deficient number, since it is larger than the sum of its proper divisors (1).

64824959933 is an equidigital number, since it uses as much as digits as its factorization.

64824959933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50388480, while the sum is 62.

The spelling of 64824959933 in words is "sixty-four billion, eight hundred twenty-four million, nine hundred fifty-nine thousand, nine hundred thirty-three".