989652151 has 2 divisors, whose sum is σ = 989652152. Its totient is φ = 989652150.

The previous prime is 989652149. The next prime is 989652217. The reversal of 989652151 is 151256989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989652151 - 2¹ = 989652149 is a prime.

It is a super-2 number, since 2×989652151² = 1958822759957853602, which contains 22 as substring.

Together with 989652149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989652101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494826075 + 494826076.

It is an arithmetic number, because the mean of its divisors is an integer number (494826076).

Almost surely, 2^989652151 is an apocalyptic number.

989652151 is a deficient number, since it is larger than the sum of its proper divisors (1).

989652151 is an equidigital number, since it uses as much as digits as its factorization.

989652151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 46.

The square root of 989652151 is about 31458.7372759938. The cubic root of 989652151 is about 996.5387505746.

The spelling of 989652151 in words is "nine hundred eighty-nine million, six hundred fifty-two thousand, one hundred fifty-one".