64610365423 has 8 divisors (see below), whose sum is σ = 64932537600. Its totient is φ = 64288625688.

The previous prime is 64610365399. The next prime is 64610365439. The reversal of 64610365423 is 32456301646.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64610365423 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 (64610365723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193540 + ... + 408262.

It is an arithmetic number, because the mean of its divisors is an integer number (8116567200).

Almost surely, 2^64610365423 is an apocalyptic number.

64610365423 is a deficient number, since it is larger than the sum of its proper divisors (322172177).

64610365423 is a wasteful number, since it uses less digits than its factorization.

64610365423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216221.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 64610365423 in words is "sixty-four billion, six hundred ten million, three hundred sixty-five thousand, four hundred twenty-three".