19039361113 has 2 divisors, whose sum is σ = 19039361114. Its totient is φ = 19039361112.

The previous prime is 19039361087. The next prime is 19039361147. The reversal of 19039361113 is 31116393091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18747907929 + 291453184 = 136923^2 + 17072^2 .

It is a cyclic number.

It is not a de Polignac number, because 19039361113 - 2²¹ = 19037263961 is a prime.

It is not a weakly prime, because it can be changed into another prime (19039365113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9519680556 + 9519680557.

It is an arithmetic number, because the mean of its divisors is an integer number (9519680557).

Almost surely, 2^19039361113 is an apocalyptic number.

It is an amenable number.

19039361113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19039361113 is an equidigital number, since it uses as much as digits as its factorization.

19039361113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The spelling of 19039361113 in words is "nineteen billion, thirty-nine million, three hundred sixty-one thousand, one hundred thirteen".