1199499489 has 32 divisors (see below), whose sum is σ = 1812545280. Its totient is φ = 783820800.

The previous prime is 1199499487. The next prime is 1199499493. The reversal of 1199499489 is 9849949911.

1199499489 is a `hidden beast` number, since 11 + 99 + 499 + 48 + 9 = 666.

It is not a de Polignac number, because 1199499489 - 2¹ = 1199499487 is a prime.

It is a super-2 number, since 2×1199499489² = 2877598048222522242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1199499487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345249 + ... + 348705.

It is an arithmetic number, because the mean of its divisors is an integer number (56642040).

Almost surely, 2^1199499489 is an apocalyptic number.

It is an amenable number.

1199499489 is a deficient number, since it is larger than the sum of its proper divisors (613045791).

1199499489 is a wasteful number, since it uses less digits than its factorization.

1199499489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3712 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The square root of 1199499489 is about 34633.7911439103. The cubic root of 1199499489 is about 1062.5108063307.

The spelling of 1199499489 in words is "one billion, one hundred ninety-nine million, four hundred ninety-nine thousand, four hundred eighty-nine".