1090910009219 has 4 divisors (see below), whose sum is σ = 1094935507680. Its totient is φ = 1086884510760.

The previous prime is 1090910009207. The next prime is 1090910009257. The reversal of 1090910009219 is 9129000190901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090910009219 is a prime.

It is a super-2 number, since 2×1090910009219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090910509219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012748824 + ... + 2012749365.

It is an arithmetic number, because the mean of its divisors is an integer number (273733876920).

Almost surely, 2^{1090910009219} is an apocalyptic number.

1090910009219 is a deficient number, since it is larger than the sum of its proper divisors (4025498461).

1090910009219 is an equidigital number, since it uses as much as digits as its factorization.

1090910009219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025498460.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 1090910009219 in words is "one trillion, ninety billion, nine hundred ten million, nine thousand, two hundred nineteen".