64624845097 has 2 divisors, whose sum is σ = 64624845098. Its totient is φ = 64624845096.

The previous prime is 64624845059. The next prime is 64624845119. The reversal of 64624845097 is 79054842646.

64624845097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32367248281 + 32257596816 = 179909^2 + 179604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64624845097 is a prime.

It is a super-2 number, since 2×64624845097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64624845797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32312422548 + 32312422549.

It is an arithmetic number, because the mean of its divisors is an integer number (32312422549).

Almost surely, 2^64624845097 is an apocalyptic number.

It is an amenable number.

64624845097 is a deficient number, since it is larger than the sum of its proper divisors (1).

64624845097 is an equidigital number, since it uses as much as digits as its factorization.

64624845097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 64624845097 in words is "sixty-four billion, six hundred twenty-four million, eight hundred forty-five thousand, ninety-seven".