19534962241 has 2 divisors, whose sum is σ = 19534962242. Its totient is φ = 19534962240.

The previous prime is 19534962179. The next prime is 19534962247. The reversal of 19534962241 is 14226943591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19339074225 + 195888016 = 139065^2 + 13996^2 .

It is a cyclic number.

It is not a de Polignac number, because 19534962241 - 2⁹ = 19534961729 is a prime.

It is a super-2 number, since 2×19534962241² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19534962191 and 19534962200.

It is not a weakly prime, because it can be changed into another prime (19534962247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9767481120 + 9767481121.

It is an arithmetic number, because the mean of its divisors is an integer number (9767481121).

Almost surely, 2^19534962241 is an apocalyptic number.

It is an amenable number.

19534962241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19534962241 is an equidigital number, since it uses as much as digits as its factorization.

19534962241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The spelling of 19534962241 in words is "nineteen billion, five hundred thirty-four million, nine hundred sixty-two thousand, two hundred forty-one".