648583386023 has 4 divisors (see below), whose sum is σ = 648586211040. Its totient is φ = 648580561008.

The previous prime is 648583386001. The next prime is 648583386119. The reversal of 648583386023 is 320683385846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648583386023 - 2⁸ = 648583385767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 648583386023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648583386223) 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, 1034390 + ... + 1538547.

It is an arithmetic number, because the mean of its divisors is an integer number (162146552760).

Almost surely, 2^648583386023 is an apocalyptic number.

648583386023 is a deficient number, since it is larger than the sum of its proper divisors (2825017).

648583386023 is a wasteful number, since it uses less digits than its factorization.

648583386023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825016.

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 648583386023 in words is "six hundred forty-eight billion, five hundred eighty-three million, three hundred eighty-six thousand, twenty-three".