64524474823 has 2 divisors, whose sum is σ = 64524474824. Its totient is φ = 64524474822.

The previous prime is 64524474809. The next prime is 64524474841. The reversal of 64524474823 is 32847442546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64524474823 - 2²⁵ = 64490920391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64524474523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32262237411 + 32262237412.

It is an arithmetic number, because the mean of its divisors is an integer number (32262237412).

Almost surely, 2^64524474823 is an apocalyptic number.

64524474823 is a deficient number, since it is larger than the sum of its proper divisors (1).

64524474823 is an equidigital number, since it uses as much as digits as its factorization.

64524474823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 49.

The spelling of 64524474823 in words is "sixty-four billion, five hundred twenty-four million, four hundred seventy-four thousand, eight hundred twenty-three".