19492250033 has 2 divisors, whose sum is σ = 19492250034. Its totient is φ = 19492250032.

The previous prime is 19492250003. The next prime is 19492250047. The reversal of 19492250033 is 33005229491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19423160689 + 69089344 = 139367^2 + 8312^2 .

It is a cyclic number.

It is not a de Polignac number, because 19492250033 - 2⁶ = 19492249969 is a prime.

It is a super-2 number, since 2×19492250033² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19492250003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9746125016 + 9746125017.

It is an arithmetic number, because the mean of its divisors is an integer number (9746125017).

Almost surely, 2^19492250033 is an apocalyptic number.

It is an amenable number.

19492250033 is a deficient number, since it is larger than the sum of its proper divisors (1).

19492250033 is an equidigital number, since it uses as much as digits as its factorization.

19492250033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 19492250033 in words is "nineteen billion, four hundred ninety-two million, two hundred fifty thousand, thirty-three".