4811990609 has 4 divisors (see below), whose sum is σ = 5021207616. Its totient is φ = 4602773604.

The previous prime is 4811990587. The next prime is 4811990663. The reversal of 4811990609 is 9060991184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4811990609 - 2²⁰ = 4810942033 is a prime.

It is a super-2 number, since 2×4811990609² = 46310507242208381762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4811990669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104608469 + ... + 104608514.

It is an arithmetic number, because the mean of its divisors is an integer number (1255301904).

Almost surely, 2^4811990609 is an apocalyptic number.

It is an amenable number.

4811990609 is a deficient number, since it is larger than the sum of its proper divisors (209217007).

4811990609 is a wasteful number, since it uses less digits than its factorization.

4811990609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209217006.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 4811990609 is about 69368.5130949194. The cubic root of 4811990609 is about 1688.2687836374.

The spelling of 4811990609 in words is "four billion, eight hundred eleven million, nine hundred ninety thousand, six hundred nine".