1634530193 has 2 divisors, whose sum is σ = 1634530194. Its totient is φ = 1634530192.

The previous prime is 1634530109. The next prime is 1634530243. The reversal of 1634530193 is 3910354361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1564439809 + 70090384 = 39553^2 + 8372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1634530193 - 2¹⁸ = 1634268049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1634538193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817265096 + 817265097.

It is an arithmetic number, because the mean of its divisors is an integer number (817265097).

Almost surely, 2^1634530193 is an apocalyptic number.

It is an amenable number.

1634530193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634530193 is an equidigital number, since it uses as much as digits as its factorization.

1634530193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1634530193 is about 40429.3234299067. The cubic root of 1634530193 is about 1177.9611908949.

The spelling of 1634530193 in words is "one billion, six hundred thirty-four million, five hundred thirty thousand, one hundred ninety-three".