64642024511 has 2 divisors, whose sum is σ = 64642024512. Its totient is φ = 64642024510.

The previous prime is 64642024487. The next prime is 64642024519. The reversal of 64642024511 is 11542024646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64642024511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64642024519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32321012255 + 32321012256.

It is an arithmetic number, because the mean of its divisors is an integer number (32321012256).

Almost surely, 2^64642024511 is an apocalyptic number.

64642024511 is a deficient number, since it is larger than the sum of its proper divisors (1).

64642024511 is an equidigital number, since it uses as much as digits as its factorization.

64642024511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 64642024511 in words is "sixty-four billion, six hundred forty-two million, twenty-four thousand, five hundred eleven".