1091452486 has 4 divisors (see below), whose sum is σ = 1637178732. Its totient is φ = 545726242.

The previous prime is 1091452477. The next prime is 1091452493. The reversal of 1091452486 is 6842541901.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272863120 + ... + 272863123.

It is an arithmetic number, because the mean of its divisors is an integer number (409294683).

Almost surely, 2^1091452486 is an apocalyptic number.

1091452486 is a deficient number, since it is larger than the sum of its proper divisors (545726246).

1091452486 is an equidigital number, since it uses as much as digits as its factorization.

1091452486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545726245.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1091452486 is about 33037.1379813688. The cubic root of 1091452486 is about 1029.5993936482.

The spelling of 1091452486 in words is "one billion, ninety-one million, four hundred fifty-two thousand, four hundred eighty-six".