9890563274 has 16 divisors (see below), whose sum is σ = 15407166600. Its totient is φ = 4756168704.

The previous prime is 9890563271. The next prime is 9890563289. The reversal of 9890563274 is 4723650989.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8728230625 + 1162332649 = 93425^2 + 34093^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (9890563271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316859 + ... + 346670.

Almost surely, 2^9890563274 is an apocalyptic number.

9890563274 is a deficient number, since it is larger than the sum of its proper divisors (5516603326).

9890563274 is a wasteful number, since it uses less digits than its factorization.

9890563274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663817.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 9890563274 is about 99451.3110723031. The cubic root of 9890563274 is about 2146.5467025226.

The spelling of 9890563274 in words is "nine billion, eight hundred ninety million, five hundred sixty-three thousand, two hundred seventy-four".