19291293713 has 2 divisors, whose sum is σ = 19291293714. Its totient is φ = 19291293712.

The previous prime is 19291293683. The next prime is 19291293739. The reversal of 19291293713 is 31739219291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18953579584 + 337714129 = 137672^2 + 18377^2 .

It is a cyclic number.

It is not a de Polignac number, because 19291293713 - 2¹⁰ = 19291292689 is a prime.

It is not a weakly prime, because it can be changed into another prime (19291293793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9645646856 + 9645646857.

It is an arithmetic number, because the mean of its divisors is an integer number (9645646857).

Almost surely, 2^19291293713 is an apocalyptic number.

It is an amenable number.

19291293713 is a deficient number, since it is larger than the sum of its proper divisors (1).

19291293713 is an equidigital number, since it uses as much as digits as its factorization.

19291293713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 47.

The spelling of 19291293713 in words is "nineteen billion, two hundred ninety-one million, two hundred ninety-three thousand, seven hundred thirteen".