1089853090 has 16 divisors (see below), whose sum is σ = 1963086840. Its totient is φ = 435640960.

The previous prime is 1089853087. The next prime is 1089853097. The reversal of 1089853090 is 903589801.

It can be written as a sum of positive squares in 4 ways, for example, as 980378721 + 109474369 = 31311^2 + 10463^2 .

It is not an unprimeable number, because it can be changed into a prime (1089853097) 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, 21985 + ... + 51604.

Almost surely, 2^1089853090 is an apocalyptic number.

1089853090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089853090 is a deficient number, since it is larger than the sum of its proper divisors (873233750).

1089853090 is a wasteful number, since it uses less digits than its factorization.

1089853090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75077.

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

The square root of 1089853090 is about 33012.9230756684. The cubic root of 1089853090 is about 1029.0962286165.

The spelling of 1089853090 in words is "one billion, eighty-nine million, eight hundred fifty-three thousand, ninety".