64493823367 has 2 divisors, whose sum is σ = 64493823368. Its totient is φ = 64493823366.

The previous prime is 64493823341. The next prime is 64493823419. The reversal of 64493823367 is 76332839446.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64493823367 - 2²³ = 64485434759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64493823167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32246911683 + 32246911684.

It is an arithmetic number, because the mean of its divisors is an integer number (32246911684).

Almost surely, 2^64493823367 is an apocalyptic number.

64493823367 is a deficient number, since it is larger than the sum of its proper divisors (1).

64493823367 is an equidigital number, since it uses as much as digits as its factorization.

64493823367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 55.

The spelling of 64493823367 in words is "sixty-four billion, four hundred ninety-three million, eight hundred twenty-three thousand, three hundred sixty-seven".