9894926801 has 4 divisors (see below), whose sum is σ = 9937394532. Its totient is φ = 9852459072.

The previous prime is 9894926773. The next prime is 9894926809. The reversal of 9894926801 is 1086294989.

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

It can be written as a sum of positive squares in 2 ways, for example, as 599074576 + 9295852225 = 24476^2 + 96415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9894926801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9894926809) 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, 21233516 + ... + 21233981.

It is an arithmetic number, because the mean of its divisors is an integer number (2484348633).

Almost surely, 2^9894926801 is an apocalyptic number.

It is an amenable number.

9894926801 is a deficient number, since it is larger than the sum of its proper divisors (42467731).

9894926801 is a wasteful number, since it uses less digits than its factorization.

9894926801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42467730.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 9894926801 is about 99473.2466595918. The cubic root of 9894926801 is about 2146.8623278693.

The spelling of 9894926801 in words is "nine billion, eight hundred ninety-four million, nine hundred twenty-six thousand, eight hundred one".