7138123640597 has 2 divisors, whose sum is σ = 7138123640598. Its totient is φ = 7138123640596.

The previous prime is 7138123640569. The next prime is 7138123640621. The reversal of 7138123640597 is 7950463218317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5544169415236 + 1593954225361 = 2354606^2 + 1262519^2 .

It is a cyclic number.

It is not a de Polignac number, because 7138123640597 - 2⁸ = 7138123640341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138123646597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569061820298 + 3569061820299.

It is an arithmetic number, because the mean of its divisors is an integer number (3569061820299).

It is a 1-persistent number, because it is pandigital, but 2⋅7138123640597 = 14276247281194 is not.

Almost surely, 2^{7138123640597} is an apocalyptic number.

It is an amenable number.

7138123640597 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138123640597 is an equidigital number, since it uses as much as digits as its factorization.

7138123640597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 7138123640597 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, six hundred forty thousand, five hundred ninety-seven".