64999022423 has 2 divisors, whose sum is σ = 64999022424. Its totient is φ = 64999022422.

The previous prime is 64999022399. The next prime is 64999022447. The reversal of 64999022423 is 32422099946.

It is a balanced prime because it is at equal distance from previous prime (64999022399) and next prime (64999022447).

It is a cyclic number.

It is not a de Polignac number, because 64999022423 - 2⁶ = 64999022359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64999022483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32499511211 + 32499511212.

It is an arithmetic number, because the mean of its divisors is an integer number (32499511212).

Almost surely, 2^64999022423 is an apocalyptic number.

64999022423 is a deficient number, since it is larger than the sum of its proper divisors (1).

64999022423 is an equidigital number, since it uses as much as digits as its factorization.

64999022423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 64999022423 in words is "sixty-four billion, nine hundred ninety-nine million, twenty-two thousand, four hundred twenty-three".