9846374821 has 4 divisors (see below), whose sum is σ = 10032155532. Its totient is φ = 9660594112.

The previous prime is 9846374809. The next prime is 9846374833. The reversal of 9846374821 is 1284736489.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9846374809) and next prime (9846374833).

It can be written as a sum of positive squares in 2 ways, for example, as 8939702500 + 906672321 = 94550^2 + 30111^2 .

It is a cyclic number.

It is not a de Polignac number, because 9846374821 - 2¹⁷ = 9846243749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9846374851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92890276 + ... + 92890381.

It is an arithmetic number, because the mean of its divisors is an integer number (2508038883).

Almost surely, 2^9846374821 is an apocalyptic number.

It is an amenable number.

9846374821 is a deficient number, since it is larger than the sum of its proper divisors (185780711).

9846374821 is a wasteful number, since it uses less digits than its factorization.

9846374821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185780710.

The product of its digits is 2322432, while the sum is 52.

The square root of 9846374821 is about 99228.9011377230. The cubic root of 9846374821 is about 2143.3451933010.

The spelling of 9846374821 in words is "nine billion, eight hundred forty-six million, three hundred seventy-four thousand, eight hundred twenty-one".