64724604079 has 2 divisors, whose sum is σ = 64724604080. Its totient is φ = 64724604078.

The previous prime is 64724604047. The next prime is 64724604097. The reversal of 64724604079 is 97040642746.

Together with next prime (64724604097) 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 not a de Polignac number, because 64724604079 - 2⁵ = 64724604047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64724604029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32362302039 + 32362302040.

It is an arithmetic number, because the mean of its divisors is an integer number (32362302040).

Almost surely, 2^64724604079 is an apocalyptic number.

64724604079 is a deficient number, since it is larger than the sum of its proper divisors (1).

64724604079 is an equidigital number, since it uses as much as digits as its factorization.

64724604079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 64724604079 in words is "sixty-four billion, seven hundred twenty-four million, six hundred four thousand, seventy-nine".