64532441659979 has 2 divisors, whose sum is σ = 64532441659980. Its totient is φ = 64532441659978.

The previous prime is 64532441659913. The next prime is 64532441659997. The reversal of 64532441659979 is 97995614423546.

Together with next prime (64532441659997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64532441659979 is a prime.

It is not a weakly prime, because it can be changed into another prime (64532441659379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32266220829989 + 32266220829990.

It is an arithmetic number, because the mean of its divisors is an integer number (32266220829990).

Almost surely, 2^{64532441659979} is an apocalyptic number.

64532441659979 is a deficient number, since it is larger than the sum of its proper divisors (1).

64532441659979 is an equidigital number, since it uses as much as digits as its factorization.

64532441659979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1763596800, while the sum is 74.

The spelling of 64532441659979 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred forty-one million, six hundred fifty-nine thousand, nine hundred seventy-nine".