989495411 has 2 divisors, whose sum is σ = 989495412. Its totient is φ = 989495410.

The previous prime is 989495401. The next prime is 989495413. The reversal of 989495411 is 114594989.

It is a strong prime.

It is an emirp because it is prime and its reverse (114594989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989495411 - 2⁶ = 989495347 is a prime.

Together with 989495413, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 989495411.

It is not a weakly prime, because it can be changed into another prime (989495413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494747705 + 494747706.

It is an arithmetic number, because the mean of its divisors is an integer number (494747706).

Almost surely, 2^989495411 is an apocalyptic number.

989495411 is a deficient number, since it is larger than the sum of its proper divisors (1).

989495411 is an equidigital number, since it uses as much as digits as its factorization.

989495411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 50.

The square root of 989495411 is about 31456.2459775479. The cubic root of 989495411 is about 996.4861375663.

The spelling of 989495411 in words is "nine hundred eighty-nine million, four hundred ninety-five thousand, four hundred eleven".