1149889810 has 8 divisors (see below), whose sum is σ = 2069801676. Its totient is φ = 459955920.

The previous prime is 1149889799. The next prime is 1149889841. The reversal of 1149889810 is 189889411.

It can be written as a sum of positive squares in 2 ways, for example, as 1145348649 + 4541161 = 33843^2 + 2131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1149889810² = 2644493150283672200, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 57494481 + ... + 57494500.

Almost surely, 2^1149889810 is an apocalyptic number.

1149889810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149889810 is a deficient number, since it is larger than the sum of its proper divisors (919911866).

1149889810 is a wasteful number, since it uses less digits than its factorization.

1149889810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114988988.

The product of its (nonzero) digits is 165888, while the sum is 49.

The square root of 1149889810 is about 33910.0252137919. The cubic root of 1149889810 is about 1047.6560898095.

The spelling of 1149889810 in words is "one billion, one hundred forty-nine million, eight hundred eighty-nine thousand, eight hundred ten".