9846815401 has 4 divisors (see below), whose sum is σ = 10075811152. Its totient is φ = 9617819652.

The previous prime is 9846815387. The next prime is 9846815423. The reversal of 9846815401 is 1045186489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1045186489 = 2467 ⋅423667.

It is a cyclic number.

It is not a de Polignac number, because 9846815401 - 2¹⁵ = 9846782633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9846815441) 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, 114497811 + ... + 114497896.

It is an arithmetic number, because the mean of its divisors is an integer number (2518952788).

Almost surely, 2^9846815401 is an apocalyptic number.

It is an amenable number.

9846815401 is a deficient number, since it is larger than the sum of its proper divisors (228995751).

9846815401 is a wasteful number, since it uses less digits than its factorization.

9846815401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228995750.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 9846815401 is about 99231.1211314273. The cubic root of 9846815401 is about 2143.3771611050.

The spelling of 9846815401 in words is "nine billion, eight hundred forty-six million, eight hundred fifteen thousand, four hundred one".