1089204682 has 4 divisors (see below), whose sum is σ = 1633807026. Its totient is φ = 544602340.

The previous prime is 1089204673. The next prime is 1089204737. The reversal of 1089204682 is 2864029801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2864029801 = 8209 ⋅348889.

It can be written as a sum of positive squares in only one way, i.e., 1051640041 + 37564641 = 32429^2 + 6129^2 .

It is a super-2 number, since 2×1089204682² = 2372733678581442248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272301169 + ... + 272301172.

Almost surely, 2^1089204682 is an apocalyptic number.

1089204682 is a deficient number, since it is larger than the sum of its proper divisors (544602344).

1089204682 is an equidigital number, since it uses as much as digits as its factorization.

1089204682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544602343.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1089204682 is about 33003.1010967151. The cubic root of 1089204682 is about 1028.8921012258.

The spelling of 1089204682 in words is "one billion, eighty-nine million, two hundred four thousand, six hundred eighty-two".