3919123824137 has 2 divisors, whose sum is σ = 3919123824138. Its totient is φ = 3919123824136.

The previous prime is 3919123823969. The next prime is 3919123824169. The reversal of 3919123824137 is 7314283219193.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3902003671801 + 17120152336 = 1975349^2 + 130844^2 .

It is an emirp because it is prime and its reverse (7314283219193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3919123824137 - 2²⁸ = 3918855388681 is a prime.

It is not a weakly prime, because it can be changed into another prime (3919123844137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959561912068 + 1959561912069.

It is an arithmetic number, because the mean of its divisors is an integer number (1959561912069).

Almost surely, 2^{3919123824137} is an apocalyptic number.

It is an amenable number.

3919123824137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3919123824137 is an equidigital number, since it uses as much as digits as its factorization.

3919123824137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The spelling of 3919123824137 in words is "three trillion, nine hundred nineteen billion, one hundred twenty-three million, eight hundred twenty-four thousand, one hundred thirty-seven".