1089748353 has 4 divisors (see below), whose sum is σ = 1452997808. Its totient is φ = 726498900.

The previous prime is 1089748351. The next prime is 1089748381. The reversal of 1089748353 is 3538479801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1089748353 - 2¹ = 1089748351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089748351) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 181624723 + ... + 181624728.

It is an arithmetic number, because the mean of its divisors is an integer number (363249452).

Almost surely, 2^1089748353 is an apocalyptic number.

It is an amenable number.

1089748353 is a deficient number, since it is larger than the sum of its proper divisors (363249455).

1089748353 is an equidigital number, since it uses as much as digits as its factorization.

1089748353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363249454.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1089748353 is about 33011.3367345220. The cubic root of 1089748353 is about 1029.0632615113.

The spelling of 1089748353 in words is "one billion, eighty-nine million, seven hundred forty-eight thousand, three hundred fifty-three".