7138123640483 has 4 divisors (see below), whose sum is σ = 7787043971448. Its totient is φ = 6489203309520.

The previous prime is 7138123640449. The next prime is 7138123640513. The reversal of 7138123640483 is 3840463218317.

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 7138123640483 - 2²⁸ = 7137855205027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138123640443) 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, 324460165466 + ... + 324460165487.

It is an arithmetic number, because the mean of its divisors is an integer number (1946760992862).

Almost surely, 2^{7138123640483} is an apocalyptic number.

7138123640483 is a deficient number, since it is larger than the sum of its proper divisors (648920330965).

7138123640483 is a wasteful number, since it uses less digits than its factorization.

7138123640483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648920330964.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 7138123640483 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, six hundred forty thousand, four hundred eighty-three".