19485498233 has 2 divisors, whose sum is σ = 19485498234. Its totient is φ = 19485498232.

The previous prime is 19485498169. The next prime is 19485498247. The reversal of 19485498233 is 33289458491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19433196409 + 52301824 = 139403^2 + 7232^2 .

It is a cyclic number.

It is not a de Polignac number, because 19485498233 - 2⁶ = 19485498169 is a prime.

It is a super-2 number, since 2×19485498233² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19485498733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9742749116 + 9742749117.

It is an arithmetic number, because the mean of its divisors is an integer number (9742749117).

Almost surely, 2^19485498233 is an apocalyptic number.

It is an amenable number.

19485498233 is a deficient number, since it is larger than the sum of its proper divisors (1).

19485498233 is an equidigital number, since it uses as much as digits as its factorization.

19485498233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The spelling of 19485498233 in words is "nineteen billion, four hundred eighty-five million, four hundred ninety-eight thousand, two hundred thirty-three".