19552619159 has 2 divisors, whose sum is σ = 19552619160. Its totient is φ = 19552619158.

The previous prime is 19552619129. The next prime is 19552619267. The reversal of 19552619159 is 95191625591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19552619159 - 2¹² = 19552615063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19552619159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19552619129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9776309579 + 9776309580.

It is an arithmetic number, because the mean of its divisors is an integer number (9776309580).

Almost surely, 2^19552619159 is an apocalyptic number.

19552619159 is a deficient number, since it is larger than the sum of its proper divisors (1).

19552619159 is an equidigital number, since it uses as much as digits as its factorization.

19552619159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1093500, while the sum is 53.

The spelling of 19552619159 in words is "nineteen billion, five hundred fifty-two million, six hundred nineteen thousand, one hundred fifty-nine".