989000413 has 2 divisors, whose sum is σ = 989000414. Its totient is φ = 989000412.

The previous prime is 989000377. The next prime is 989000431. The reversal of 989000413 is 314000989.

Together with next prime (989000431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945993049 + 43007364 = 30757^2 + 6558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989000413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989000443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494500206 + 494500207.

It is an arithmetic number, because the mean of its divisors is an integer number (494500207).

Almost surely, 2^989000413 is an apocalyptic number.

It is an amenable number.

989000413 is a deficient number, since it is larger than the sum of its proper divisors (1).

989000413 is an equidigital number, since it uses as much as digits as its factorization.

989000413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 989000413 is about 31448.3769533501. The cubic root of 989000413 is about 996.3199448065.

The spelling of 989000413 in words is "nine hundred eighty-nine million, four hundred thirteen", and thus it is an aban number.