5644632198 has 16 divisors (see below), whose sum is σ = 11294181360. Its totient is φ = 1880724576.

The previous prime is 5644632197. The next prime is 5644632223. The reversal of 5644632198 is 8912364465.

It is a super-2 number, since 2×5644632198² = 63723745301396622408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644632197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189865 + ... + 217572.

It is an arithmetic number, because the mean of its divisors is an integer number (705886335).

Almost surely, 2^5644632198 is an apocalyptic number.

5644632198 is an abundant number, since it is smaller than the sum of its proper divisors (5649549162).

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

5644632198 is a wasteful number, since it uses less digits than its factorization.

5644632198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409751.

The product of its digits is 1244160, while the sum is 48.

The square root of 5644632198 is about 75130.7673193879. The cubic root of 5644632198 is about 1780.5132759994.

The spelling of 5644632198 in words is "five billion, six hundred forty-four million, six hundred thirty-two thousand, one hundred ninety-eight".