996475189 has 2 divisors, whose sum is σ = 996475190. Its totient is φ = 996475188.

The previous prime is 996475093. The next prime is 996475217. The reversal of 996475189 is 981574699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970820964 + 25654225 = 31158^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 996475189 - 2²¹ = 994378037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996475289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498237594 + 498237595.

It is an arithmetic number, because the mean of its divisors is an integer number (498237595).

Almost surely, 2^996475189 is an apocalyptic number.

It is an amenable number.

996475189 is a deficient number, since it is larger than the sum of its proper divisors (1).

996475189 is an equidigital number, since it uses as much as digits as its factorization.

996475189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 996475189 is about 31566.9952482019. The cubic root of 996475189 is about 998.8236798134.

The spelling of 996475189 in words is "nine hundred ninety-six million, four hundred seventy-five thousand, one hundred eighty-nine".