1099941549 has 16 divisors (see below), whose sum is σ = 1678430208. Its totient is φ = 627664752.

The previous prime is 1099941527. The next prime is 1099941553. The reversal of 1099941549 is 9451499901.

It is a happy number.

1099941549 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1099941549 - 2⁷ = 1099941421 is a prime.

It is a super-2 number, since 2×1099941549² = 2419742822433038802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099941649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20757 + ... + 51290.

It is an arithmetic number, because the mean of its divisors is an integer number (104901888).

Almost surely, 2^1099941549 is an apocalyptic number.

It is an amenable number.

1099941549 is a deficient number, since it is larger than the sum of its proper divisors (578488659).

1099941549 is an equidigital number, since it uses as much as digits as its factorization.

1099941549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72784.

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 1099941549 is about 33165.3667098677. The cubic root of 1099941549 is about 1032.2618309492.

The spelling of 1099941549 in words is "one billion, ninety-nine million, nine hundred forty-one thousand, five hundred forty-nine".