989853701 has 2 divisors, whose sum is σ = 989853702. Its totient is φ = 989853700.

The previous prime is 989853677. The next prime is 989853707. The reversal of 989853701 is 107358989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705964900 + 283888801 = 26570^2 + 16849^2 .

It is a cyclic number.

It is not a de Polignac number, because 989853701 - 2²² = 985659397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 989853701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989853707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494926850 + 494926851.

It is an arithmetic number, because the mean of its divisors is an integer number (494926851).

Almost surely, 2^989853701 is an apocalyptic number.

It is an amenable number.

989853701 is a deficient number, since it is larger than the sum of its proper divisors (1).

989853701 is an equidigital number, since it uses as much as digits as its factorization.

989853701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 989853701 is about 31461.9405154863. The cubic root of 989853701 is about 996.6063968183.

The spelling of 989853701 in words is "nine hundred eighty-nine million, eight hundred fifty-three thousand, seven hundred one".