989137411 has 2 divisors, whose sum is σ = 989137412. Its totient is φ = 989137410.

The previous prime is 989137399. The next prime is 989137427. The reversal of 989137411 is 114731989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989137411 - 2¹¹ = 989135363 is a prime.

It is not a weakly prime, because it can be changed into another prime (989137441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494568705 + 494568706.

It is an arithmetic number, because the mean of its divisors is an integer number (494568706).

Almost surely, 2^989137411 is an apocalyptic number.

989137411 is a deficient number, since it is larger than the sum of its proper divisors (1).

989137411 is an equidigital number, since it uses as much as digits as its factorization.

989137411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 989137411 is about 31450.5550189500. Note that the first 3 decimals coincide. The cubic root of 989137411 is about 996.3659466538.

The spelling of 989137411 in words is "nine hundred eighty-nine million, one hundred thirty-seven thousand, four hundred eleven".