19102012043 has 2 divisors, whose sum is σ = 19102012044. Its totient is φ = 19102012042.

The previous prime is 19102012031. The next prime is 19102012051. The reversal of 19102012043 is 34021020191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19102012043 - 2¹⁴ = 19101995659 is a prime.

It is not a weakly prime, because it can be changed into another prime (19102072043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9551006021 + 9551006022.

It is an arithmetic number, because the mean of its divisors is an integer number (9551006022).

Almost surely, 2^19102012043 is an apocalyptic number.

19102012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

19102012043 is an equidigital number, since it uses as much as digits as its factorization.

19102012043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 19102012043 in words is "nineteen billion, one hundred two million, twelve thousand, forty-three".