64424589101 has 4 divisors (see below), whose sum is σ = 64425119772. Its totient is φ = 64424058432.

The previous prime is 64424589071. The next prime is 64424589113. The reversal of 64424589101 is 10198542446.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33543556201 + 30881032900 = 183149^2 + 175730^2 .

It is a cyclic number.

It is not a de Polignac number, because 64424589101 - 2¹⁰ = 64424588077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64424189101) 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, 16691 + ... + 359343.

It is an arithmetic number, because the mean of its divisors is an integer number (16106279943).

Almost surely, 2^64424589101 is an apocalyptic number.

It is an amenable number.

64424589101 is a deficient number, since it is larger than the sum of its proper divisors (530671).

64424589101 is a wasteful number, since it uses less digits than its factorization.

64424589101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530670.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 64424589101 in words is "sixty-four billion, four hundred twenty-four million, five hundred eighty-nine thousand, one hundred one".