19603137413 has 2 divisors, whose sum is σ = 19603137414. Its totient is φ = 19603137412.

The previous prime is 19603137403. The next prime is 19603137439. The reversal of 19603137413 is 31473130691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19590761089 + 12376324 = 139967^2 + 3518^2 .

It is a cyclic number.

It is not a de Polignac number, because 19603137413 - 2⁸ = 19603137157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19603137403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9801568706 + 9801568707.

It is an arithmetic number, because the mean of its divisors is an integer number (9801568707).

Almost surely, 2^19603137413 is an apocalyptic number.

It is an amenable number.

19603137413 is a deficient number, since it is larger than the sum of its proper divisors (1).

19603137413 is an equidigital number, since it uses as much as digits as its factorization.

19603137413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 19603137413 in words is "nineteen billion, six hundred three million, one hundred thirty-seven thousand, four hundred thirteen".