9198806901 has 16 divisors (see below), whose sum is σ = 12364589568. Its totient is φ = 6082902000.

The previous prime is 9198806899. The next prime is 9198806933. The reversal of 9198806901 is 1096088919.

It is a happy number.

It is not a de Polignac number, because 9198806901 - 2¹ = 9198806899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9198806941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298330 + ... + 327716.

It is an arithmetic number, because the mean of its divisors is an integer number (772786848).

Almost surely, 2^9198806901 is an apocalyptic number.

It is an amenable number.

9198806901 is a deficient number, since it is larger than the sum of its proper divisors (3165782667).

9198806901 is a wasteful number, since it uses less digits than its factorization.

9198806901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30232.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 9198806901 is about 95910.4108061268. The cubic root of 9198806901 is about 2095.2885229087.

The spelling of 9198806901 in words is "nine billion, one hundred ninety-eight million, eight hundred six thousand, nine hundred one".