64090744823 has 16 divisors (see below), whose sum is σ = 74454182400. Its totient is φ = 54036373536.

The previous prime is 64090744799. The next prime is 64090744901. The reversal of 64090744823 is 32844709046.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64090744823 - 2¹⁶ = 64090679287 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 (64090743823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190865 + ... + 405722.

It is an arithmetic number, because the mean of its divisors is an integer number (4653386400).

Almost surely, 2^64090744823 is an apocalyptic number.

64090744823 is a deficient number, since it is larger than the sum of its proper divisors (10363437577).

64090744823 is a wasteful number, since it uses less digits than its factorization.

64090744823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596846.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 64090744823 in words is "sixty-four billion, ninety million, seven hundred forty-four thousand, eight hundred twenty-three".