989504053 has 2 divisors, whose sum is σ = 989504054. Its totient is φ = 989504052.

The previous prime is 989504017. The next prime is 989504063. The reversal of 989504053 is 350405989.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865359889 + 124144164 = 29417^2 + 11142^2 .

It is a cyclic number.

It is not a de Polignac number, because 989504053 - 2¹⁷ = 989372981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989504063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494752026 + 494752027.

It is an arithmetic number, because the mean of its divisors is an integer number (494752027).

Almost surely, 2^989504053 is an apocalyptic number.

It is an amenable number.

989504053 is a deficient number, since it is larger than the sum of its proper divisors (1).

989504053 is an equidigital number, since it uses as much as digits as its factorization.

989504053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 989504053 is about 31456.3833426540. The cubic root of 989504053 is about 996.4890385762.

The spelling of 989504053 in words is "nine hundred eighty-nine million, five hundred four thousand, fifty-three".