64324562501 has 2 divisors, whose sum is σ = 64324562502. Its totient is φ = 64324562500.

The previous prime is 64324562437. The next prime is 64324562503. The reversal of 64324562501 is 10526542346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46582588900 + 17741973601 = 215830^2 + 133199^2 .

It is a cyclic number.

It is not a de Polignac number, because 64324562501 - 2⁶ = 64324562437 is a prime.

Together with 64324562503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64324562503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32162281250 + 32162281251.

It is an arithmetic number, because the mean of its divisors is an integer number (32162281251).

Almost surely, 2^64324562501 is an apocalyptic number.

It is an amenable number.

64324562501 is a deficient number, since it is larger than the sum of its proper divisors (1).

64324562501 is an equidigital number, since it uses as much as digits as its factorization.

64324562501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 64324562501 in words is "sixty-four billion, three hundred twenty-four million, five hundred sixty-two thousand, five hundred one".