1099783413 has 40 divisors (see below), whose sum is σ = 1669872600. Its totient is φ = 721239552.

The previous prime is 1099783393. The next prime is 1099783439. The reversal of 1099783413 is 3143879901.

It can be written as a sum of positive squares in 4 ways, for example, as 245799684 + 853983729 = 15678^2 + 29223^2 .

It is not a de Polignac number, because 1099783413 - 2¹³ = 1099775221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099783463) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2688753 + ... + 2689161.

It is an arithmetic number, because the mean of its divisors is an integer number (41746815).

Almost surely, 2^1099783413 is an apocalyptic number.

It is an amenable number.

1099783413 is a deficient number, since it is larger than the sum of its proper divisors (570089187).

1099783413 is an equidigital number, since it uses as much as digits as its factorization.

1099783413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1099783413 is about 33162.9825709329. The cubic root of 1099783413 is about 1032.2123599627.

The spelling of 1099783413 in words is "one billion, ninety-nine million, seven hundred eighty-three thousand, four hundred thirteen".