986147369 has 2 divisors, whose sum is σ = 986147370. Its totient is φ = 986147368.

The previous prime is 986147353. The next prime is 986147381. The reversal of 986147369 is 963741689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 818703769 + 167443600 = 28613^2 + 12940^2 .

It is an emirp because it is prime and its reverse (963741689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986147369 - 2⁴ = 986147353 is a prime.

It is a super-2 number, since 2×986147369² = 1944973266771244322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 986147369.

It is not a weakly prime, because it can be changed into another prime (986147389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493073684 + 493073685.

It is an arithmetic number, because the mean of its divisors is an integer number (493073685).

Almost surely, 2^986147369 is an apocalyptic number.

It is an amenable number.

986147369 is a deficient number, since it is larger than the sum of its proper divisors (1).

986147369 is an equidigital number, since it uses as much as digits as its factorization.

986147369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 986147369 is about 31402.9834410681. The cubic root of 986147369 is about 995.3609690030.

The spelling of 986147369 in words is "nine hundred eighty-six million, one hundred forty-seven thousand, three hundred sixty-nine".