64362894799 has 4 divisors (see below), whose sum is σ = 73557594064. Its totient is φ = 55168195536.

The previous prime is 64362894797. The next prime is 64362894809. The reversal of 64362894799 is 99749826346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99749826346 = 2 ⋅49874913173.

It is a cyclic number.

It is not a de Polignac number, because 64362894799 - 2¹ = 64362894797 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 (64362894793) 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, 4597349622 + ... + 4597349635.

It is an arithmetic number, because the mean of its divisors is an integer number (18389398516).

Almost surely, 2^64362894799 is an apocalyptic number.

64362894799 is a deficient number, since it is larger than the sum of its proper divisors (9194699265).

64362894799 is an equidigital number, since it uses as much as digits as its factorization.

64362894799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194699264.

The product of its digits is 141087744, while the sum is 67.

The spelling of 64362894799 in words is "sixty-four billion, three hundred sixty-two million, eight hundred ninety-four thousand, seven hundred ninety-nine".