13019923019 has 2 divisors, whose sum is σ = 13019923020. Its totient is φ = 13019923018.

The previous prime is 13019922997. The next prime is 13019923039. The reversal of 13019923019 is 91032991031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13019923019 is a prime.

It is a super-2 number, since 2×13019923019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13019923039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509961509 + 6509961510.

It is an arithmetic number, because the mean of its divisors is an integer number (6509961510).

Almost surely, 2^13019923019 is an apocalyptic number.

13019923019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13019923019 is an equidigital number, since it uses as much as digits as its factorization.

13019923019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 38.

The spelling of 13019923019 in words is "thirteen billion, nineteen million, nine hundred twenty-three thousand, nineteen".