1099983538 has 16 divisors (see below), whose sum is σ = 1750533120. Its totient is φ = 516602176.

The previous prime is 1099983497. The next prime is 1099983541. The reversal of 1099983538 is 8353899901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15058 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (109408320).

Almost surely, 2^1099983538 is an apocalyptic number.

1099983538 is a deficient number, since it is larger than the sum of its proper divisors (650549582).

1099983538 is a wasteful number, since it uses less digits than its factorization.

1099983538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64841.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 1099983538 is about 33165.9997286378. Note that the first 3 decimals coincide. The cubic root of 1099983538 is about 1032.2749659170.

The spelling of 1099983538 in words is "one billion, ninety-nine million, nine hundred eighty-three thousand, five hundred thirty-eight".