832101989 has 2 divisors, whose sum is σ = 832101990. Its totient is φ = 832101988.

The previous prime is 832101953. The next prime is 832102013. The reversal of 832101989 is 989101238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653211364 + 178890625 = 25558^2 + 13375^2 .

It is a cyclic number.

It is not a de Polignac number, because 832101989 - 2⁸ = 832101733 is a prime.

It is a super-2 number, since 2×832101989² = 1384787440195512242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (832101689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416050994 + 416050995.

It is an arithmetic number, because the mean of its divisors is an integer number (416050995).

Almost surely, 2^832101989 is an apocalyptic number.

It is an amenable number.

832101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

832101989 is an equidigital number, since it uses as much as digits as its factorization.

832101989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 832101989 is about 28846.1780657334. The cubic root of 832101989 is about 940.5723046516.

The spelling of 832101989 in words is "eight hundred thirty-two million, one hundred one thousand, nine hundred eighty-nine".