985448743 has 2 divisors, whose sum is σ = 985448744. Its totient is φ = 985448742.

The previous prime is 985448719. The next prime is 985448747. The reversal of 985448743 is 347844589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985448743 is a prime.

It is a super-2 number, since 2×985448743² = 1942218450160560098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985448747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492724371 + 492724372.

It is an arithmetic number, because the mean of its divisors is an integer number (492724372).

Almost surely, 2^985448743 is an apocalyptic number.

985448743 is a deficient number, since it is larger than the sum of its proper divisors (1).

985448743 is an equidigital number, since it uses as much as digits as its factorization.

985448743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The square root of 985448743 is about 31391.8579093369. The cubic root of 985448743 is about 995.1258623811.

The spelling of 985448743 in words is "nine hundred eighty-five million, four hundred forty-eight thousand, seven hundred forty-three".