19202641013 has 2 divisors, whose sum is σ = 19202641014. Its totient is φ = 19202641012.

The previous prime is 19202640997. The next prime is 19202641037. The reversal of 19202641013 is 31014620291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15773601649 + 3429039364 = 125593^2 + 58558^2 .

It is a cyclic number.

It is not a de Polignac number, because 19202641013 - 2⁴ = 19202640997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19202641093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9601320506 + 9601320507.

It is an arithmetic number, because the mean of its divisors is an integer number (9601320507).

Almost surely, 2^19202641013 is an apocalyptic number.

It is an amenable number.

19202641013 is a deficient number, since it is larger than the sum of its proper divisors (1).

19202641013 is an equidigital number, since it uses as much as digits as its factorization.

19202641013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 19202641013 in words is "nineteen billion, two hundred two million, six hundred forty-one thousand, thirteen".