989875741 has 2 divisors, whose sum is σ = 989875742. Its totient is φ = 989875740.

The previous prime is 989875739. The next prime is 989875793. The reversal of 989875741 is 147578989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 775399716 + 214476025 = 27846^2 + 14645^2 .

It is a cyclic number.

It is not a de Polignac number, because 989875741 - 2¹ = 989875739 is a prime.

It is a super-3 number, since 3×989875741³ (a number of 28 digits) contains 333 as substring.

Together with 989875739, 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 (989875441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494937870 + 494937871.

It is an arithmetic number, because the mean of its divisors is an integer number (494937871).

Almost surely, 2^989875741 is an apocalyptic number.

It is an amenable number.

989875741 is a deficient number, since it is larger than the sum of its proper divisors (1).

989875741 is an equidigital number, since it uses as much as digits as its factorization.

989875741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 58.

The square root of 989875741 is about 31462.2907780092. The cubic root of 989875741 is about 996.6137935484.

The spelling of 989875741 in words is "nine hundred eighty-nine million, eight hundred seventy-five thousand, seven hundred forty-one".