985264669 has 2 divisors, whose sum is σ = 985264670. Its totient is φ = 985264668.

The previous prime is 985264591. The next prime is 985264691. The reversal of 985264669 is 966462589.

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., 941876100 + 43388569 = 30690^2 + 6587^2 .

It is a cyclic number.

It is not a de Polignac number, because 985264669 - 2¹⁵ = 985231901 is a prime.

It is a super-2 number, since 2×985264669² = 1941492935959359122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985264769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492632334 + 492632335.

It is an arithmetic number, because the mean of its divisors is an integer number (492632335).

Almost surely, 2^985264669 is an apocalyptic number.

It is an amenable number.

985264669 is a deficient number, since it is larger than the sum of its proper divisors (1).

985264669 is an equidigital number, since it uses as much as digits as its factorization.

985264669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The square root of 985264669 is about 31388.9258975200. The cubic root of 985264669 is about 995.0638979865.

The spelling of 985264669 in words is "nine hundred eighty-five million, two hundred sixty-four thousand, six hundred sixty-nine".