19089180793 has 2 divisors, whose sum is σ = 19089180794. Its totient is φ = 19089180792.

The previous prime is 19089180769. The next prime is 19089180797. The reversal of 19089180793 is 39708198091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14766381289 + 4322799504 = 121517^2 + 65748^2 .

It is a cyclic number.

It is not a de Polignac number, because 19089180793 - 2¹³ = 19089172601 is a prime.

It is not a weakly prime, because it can be changed into another prime (19089180797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9544590396 + 9544590397.

It is an arithmetic number, because the mean of its divisors is an integer number (9544590397).

Almost surely, 2^19089180793 is an apocalyptic number.

It is an amenable number.

19089180793 is a deficient number, since it is larger than the sum of its proper divisors (1).

19089180793 is an equidigital number, since it uses as much as digits as its factorization.

19089180793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 19089180793 in words is "nineteen billion, eighty-nine million, one hundred eighty thousand, seven hundred ninety-three".