64764705901 has 4 divisors (see below), whose sum is σ = 74016806752. Its totient is φ = 55512605052.

The previous prime is 64764705883. The next prime is 64764705913. The reversal of 64764705901 is 10950746746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64764705901 - 2¹¹ = 64764703853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64764705931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4626050415 + ... + 4626050428.

It is an arithmetic number, because the mean of its divisors is an integer number (18504201688).

Almost surely, 2^64764705901 is an apocalyptic number.

It is an amenable number.

64764705901 is a deficient number, since it is larger than the sum of its proper divisors (9252100851).

64764705901 is an equidigital number, since it uses as much as digits as its factorization.

64764705901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252100850.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 64764705901 in words is "sixty-four billion, seven hundred sixty-four million, seven hundred five thousand, nine hundred one".