4098221637 has 16 divisors (see below), whose sum is σ = 5815716480. Its totient is φ = 2558103552.

The previous prime is 4098221609. The next prime is 4098221641. The reversal of 4098221637 is 7361228904.

4098221637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4098221637 - 2²⁰ = 4097173061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4098221137) 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, 198337 + ... + 218022.

It is an arithmetic number, because the mean of its divisors is an integer number (363482280).

Almost surely, 2^4098221637 is an apocalyptic number.

It is an amenable number.

4098221637 is a deficient number, since it is larger than the sum of its proper divisors (1717494843).

4098221637 is a wasteful number, since it uses less digits than its factorization.

4098221637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416572.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 4098221637 is about 64017.3541861892. The cubic root of 4098221637 is about 1600.2892233665.

The spelling of 4098221637 in words is "four billion, ninety-eight million, two hundred twenty-one thousand, six hundred thirty-seven".