19089180839 has 2 divisors, whose sum is σ = 19089180840. Its totient is φ = 19089180838.

The previous prime is 19089180833. The next prime is 19089180841. The reversal of 19089180839 is 93808198091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19089180839 - 2²⁰ = 19088132263 is a prime.

Together with 19089180841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19089180833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9544590419 + 9544590420.

It is an arithmetic number, because the mean of its divisors is an integer number (9544590420).

Almost surely, 2^19089180839 is an apocalyptic number.

19089180839 is a deficient number, since it is larger than the sum of its proper divisors (1).

19089180839 is an equidigital number, since it uses as much as digits as its factorization.

19089180839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 56.

The spelling of 19089180839 in words is "nineteen billion, eighty-nine million, one hundred eighty thousand, eight hundred thirty-nine".