632193689 has 2 divisors, whose sum is σ = 632193690. Its totient is φ = 632193688.

The previous prime is 632193641. The next prime is 632193713. The reversal of 632193689 is 986391236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424689664 + 207504025 = 20608^2 + 14405^2 .

It is a cyclic number.

It is not a de Polignac number, because 632193689 - 2²⁰ = 631145113 is a prime.

It is a super-2 number, since 2×632193689² = 799337720822857442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (632193619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316096844 + 316096845.

It is an arithmetic number, because the mean of its divisors is an integer number (316096845).

Almost surely, 2^632193689 is an apocalyptic number.

It is an amenable number.

632193689 is a deficient number, since it is larger than the sum of its proper divisors (1).

632193689 is an equidigital number, since it uses as much as digits as its factorization.

632193689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 632193689 is about 25143.4621522176. The cubic root of 632193689 is about 858.2557440239.

The spelling of 632193689 in words is "six hundred thirty-two million, one hundred ninety-three thousand, six hundred eighty-nine".