19029926519 has 2 divisors, whose sum is σ = 19029926520. Its totient is φ = 19029926518.

The previous prime is 19029926479. The next prime is 19029926627. The reversal of 19029926519 is 91562992091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19029926519 is a prime.

It is a super-2 number, since 2×19029926519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19029916519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9514963259 + 9514963260.

It is an arithmetic number, because the mean of its divisors is an integer number (9514963260).

Almost surely, 2^19029926519 is an apocalyptic number.

19029926519 is a deficient number, since it is larger than the sum of its proper divisors (1).

19029926519 is an equidigital number, since it uses as much as digits as its factorization.

19029926519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 19029926519 in words is "nineteen billion, twenty-nine million, nine hundred twenty-six thousand, five hundred nineteen".