4411981899 has 32 divisors (see below), whose sum is σ = 7453131840. Its totient is φ = 2555352576.

The previous prime is 4411981891. The next prime is 4411981913. The reversal of 4411981899 is 9981891144.

4411981899 is a `hidden beast` number, since 441 + 19 + 8 + 189 + 9 = 666.

It is not a de Polignac number, because 4411981899 - 2³ = 4411981891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4411981891) 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, 363732 + ... + 375665.

It is an arithmetic number, because the mean of its divisors is an integer number (232910370).

Almost surely, 2^4411981899 is an apocalyptic number.

4411981899 is a deficient number, since it is larger than the sum of its proper divisors (3041149941).

4411981899 is a wasteful number, since it uses less digits than its factorization.

4411981899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739436 (or 739430 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The square root of 4411981899 is about 66422.7513657783. The cubic root of 4411981899 is about 1640.1286210594.

It can be divided in two parts, 4411 and 981899, that added together give a triangular number (986310 = T₁₄₀₄).

The spelling of 4411981899 in words is "four billion, four hundred eleven million, nine hundred eighty-one thousand, eight hundred ninety-nine".