1939611195199 has 2 divisors, whose sum is σ = 1939611195200. Its totient is φ = 1939611195198.

The previous prime is 1939611195103. The next prime is 1939611195217. The reversal of 1939611195199 is 9915911169391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1939611195199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1939611195199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1939611195499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969805597599 + 969805597600.

It is an arithmetic number, because the mean of its divisors is an integer number (969805597600).

Almost surely, 2^{1939611195199} is an apocalyptic number.

1939611195199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939611195199 is an equidigital number, since it uses as much as digits as its factorization.

1939611195199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5314410, while the sum is 64.

The spelling of 1939611195199 in words is "one trillion, nine hundred thirty-nine billion, six hundred eleven million, one hundred ninety-five thousand, one hundred ninety-nine".