1169144499 has 16 divisors (see below), whose sum is σ = 1644854400. Its totient is φ = 736629696.

The previous prime is 1169144497. The next prime is 1169144513. The reversal of 1169144499 is 9944419611.

It is not a de Polignac number, because 1169144499 - 2¹ = 1169144497 is a prime.

It is a super-2 number, since 2×1169144499² = 2733797719083922002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1169144491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594 + ... + 48359.

It is an arithmetic number, because the mean of its divisors is an integer number (102803400).

Almost surely, 2^1169144499 is an apocalyptic number.

1169144499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1169144499 is a deficient number, since it is larger than the sum of its proper divisors (475709901).

1169144499 is a wasteful number, since it uses less digits than its factorization.

1169144499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49394.

The product of its digits is 279936, while the sum is 48.

The square root of 1169144499 is about 34192.7550659493. The cubic root of 1169144499 is about 1053.4713526104.

The spelling of 1169144499 in words is "one billion, one hundred sixty-nine million, one hundred forty-four thousand, four hundred ninety-nine".