19431102050839 has 2 divisors, whose sum is σ = 19431102050840. Its totient is φ = 19431102050838.

The previous prime is 19431102050753. The next prime is 19431102050879. The reversal of 19431102050839 is 93805020113491.

It is a strong prime.

It is an emirp because it is prime and its reverse (93805020113491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19431102050839 - 2¹¹ = 19431102048791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19431102050879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9715551025419 + 9715551025420.

It is an arithmetic number, because the mean of its divisors is an integer number (9715551025420).

Almost surely, 2^{19431102050839} is an apocalyptic number.

19431102050839 is a deficient number, since it is larger than the sum of its proper divisors (1).

19431102050839 is an equidigital number, since it uses as much as digits as its factorization.

19431102050839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 19431102050839 in words is "nineteen trillion, four hundred thirty-one billion, one hundred two million, fifty thousand, eight hundred thirty-nine".