2119388579317 has 2 divisors, whose sum is σ = 2119388579318. Its totient is φ = 2119388579316.

The previous prime is 2119388579299. The next prime is 2119388579353. The reversal of 2119388579317 is 7139758839112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670067720721 + 449320858596 = 1292311^2 + 670314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119388579317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119388579417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059694289658 + 1059694289659.

It is an arithmetic number, because the mean of its divisors is an integer number (1059694289659).

Almost surely, 2^{2119388579317} is an apocalyptic number.

It is an amenable number.

2119388579317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119388579317 is an equidigital number, since it uses as much as digits as its factorization.

2119388579317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 64.

The spelling of 2119388579317 in words is "two trillion, one hundred nineteen billion, three hundred eighty-eight million, five hundred seventy-nine thousand, three hundred seventeen".