2159216098 has 16 divisors (see below), whose sum is σ = 3519968760. Its totient is φ = 987417216.

The previous prime is 2159216093. The next prime is 2159216099. The reversal of 2159216098 is 8906129512.

It can be written as a sum of positive squares in 4 ways, for example, as 1853560809 + 305655289 = 43053^2 + 17483^2 .

It is not an unprimeable number, because it can be changed into a prime (2159216093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378115 + ... + 383782.

Almost surely, 2^2159216098 is an apocalyptic number.

2159216098 is a deficient number, since it is larger than the sum of its proper divisors (1360752662).

2159216098 is a wasteful number, since it uses less digits than its factorization.

2159216098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762021.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 2159216098 is about 46467.3659464360. The cubic root of 2159216098 is about 1292.5044186478.

The spelling of 2159216098 in words is "two billion, one hundred fifty-nine million, two hundred sixteen thousand, ninety-eight".