3649212198 has 12 divisors (see below), whose sum is σ = 7906626468. Its totient is φ = 1216404060.

The previous prime is 3649212191. The next prime is 3649212221. The reversal of 3649212198 is 8912129463.

3649212198 is a `hidden beast` number, since 36 + 492 + 121 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649212191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101366988 + ... + 101367023.

It is an arithmetic number, because the mean of its divisors is an integer number (658885539).

Almost surely, 2^3649212198 is an apocalyptic number.

3649212198 is an abundant number, since it is smaller than the sum of its proper divisors (4257414270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3649212198 is a wasteful number, since it uses less digits than its factorization.

3649212198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202734019 (or 202734016 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3649212198 is about 60408.7096203850. The cubic root of 3649212198 is about 1539.5709433273.

The spelling of 3649212198 in words is "three billion, six hundred forty-nine million, two hundred twelve thousand, one hundred ninety-eight".