38999199593 has 2 divisors, whose sum is σ = 38999199594. Its totient is φ = 38999199592.

The previous prime is 38999199557. The next prime is 38999199611. The reversal of 38999199593 is 39599199983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37802247184 + 1196952409 = 194428^2 + 34597^2 .

It is a cyclic number.

It is not a de Polignac number, because 38999199593 - 2⁶ = 38999199529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38999199593.

It is not a weakly prime, because it can be changed into another prime (38999199193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19499599796 + 19499599797.

It is an arithmetic number, because the mean of its divisors is an integer number (19499599797).

Almost surely, 2^38999199593 is an apocalyptic number.

It is an amenable number.

38999199593 is a deficient number, since it is larger than the sum of its proper divisors (1).

38999199593 is an equidigital number, since it uses as much as digits as its factorization.

38999199593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 191318760, while the sum is 74.

The spelling of 38999199593 in words is "thirty-eight billion, nine hundred ninety-nine million, one hundred ninety-nine thousand, five hundred ninety-three".