1097559219 has 16 divisors (see below), whose sum is σ = 1585533312. Its totient is φ = 672647808.

The previous prime is 1097559191. The next prime is 1097559269. The reversal of 1097559219 is 9129557901.

1097559219 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1097559219 - 2⁷ = 1097559091 is a prime.

It is a super-2 number, since 2×1097559219² = 2409272478423779922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1097559269) 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, 248049 + ... + 252434.

It is an arithmetic number, because the mean of its divisors is an integer number (99095832).

Almost surely, 2^1097559219 is an apocalyptic number.

1097559219 is a deficient number, since it is larger than the sum of its proper divisors (487974093).

1097559219 is a wasteful number, since it uses less digits than its factorization.

1097559219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500546.

The product of its (nonzero) digits is 255150, while the sum is 48.

The square root of 1097559219 is about 33129.4313111469. The cubic root of 1097559219 is about 1031.5160440794.

The spelling of 1097559219 in words is "one billion, ninety-seven million, five hundred fifty-nine thousand, two hundred nineteen".