9774198001 has 4 divisors (see below), whose sum is σ = 9774486004. Its totient is φ = 9773910000.

The previous prime is 9774197999. The next prime is 9774198023. The reversal of 9774198001 is 1008914779.

9774198001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1008914779 = 37 ⋅27267967.

It can be written as a sum of positive squares in 2 ways, for example, as 4590198001 + 5184000000 = 67751^2 + 72000^2 .

It is a cyclic number.

It is not a de Polignac number, because 9774198001 - 2¹ = 9774197999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9774198061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85050 + ... + 163651.

It is an arithmetic number, because the mean of its divisors is an integer number (2443621501).

Almost surely, 2^9774198001 is an apocalyptic number.

It is an amenable number.

9774198001 is a deficient number, since it is larger than the sum of its proper divisors (288003).

9774198001 is a wasteful number, since it uses less digits than its factorization.

9774198001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288002.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 9774198001 is about 98864.5436999534. The cubic root of 9774198001 is about 2138.0952277594.

The spelling of 9774198001 in words is "nine billion, seven hundred seventy-four million, one hundred ninety-eight thousand, one".