9834487147 has 2 divisors, whose sum is σ = 9834487148. Its totient is φ = 9834487146.

The previous prime is 9834487139. The next prime is 9834487303. The reversal of 9834487147 is 7417844389.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7417844389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9834487147 - 2³ = 9834487139 is a prime.

It is not a weakly prime, because it can be changed into another prime (9834487127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4917243573 + 4917243574.

It is an arithmetic number, because the mean of its divisors is an integer number (4917243574).

Almost surely, 2^9834487147 is an apocalyptic number.

9834487147 is a deficient number, since it is larger than the sum of its proper divisors (1).

9834487147 is an equidigital number, since it uses as much as digits as its factorization.

9834487147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 55.

The square root of 9834487147 is about 99168.9827869581. The cubic root of 9834487147 is about 2142.4822818181.

The spelling of 9834487147 in words is "nine billion, eight hundred thirty-four million, four hundred eighty-seven thousand, one hundred forty-seven".