64683350823 has 64 divisors (see below), whose sum is σ = 113464092672. Its totient is φ = 31839160320.

The previous prime is 64683350807. The next prime is 64683350863. The reversal of 64683350823 is 32805338646.

It is not a de Polignac number, because 64683350823 - 2⁴ = 64683350807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64683350863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131811 + ... + 383067.

It is an arithmetic number, because the mean of its divisors is an integer number (1772876448).

Almost surely, 2^64683350823 is an apocalyptic number.

64683350823 is a deficient number, since it is larger than the sum of its proper divisors (48780741849).

64683350823 is a wasteful number, since it uses less digits than its factorization.

64683350823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251344.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 64683350823 in words is "sixty-four billion, six hundred eighty-three million, three hundred fifty thousand, eight hundred twenty-three".