3606776489 has 4 divisors (see below), whose sum is σ = 3690655056. Its totient is φ = 3522897924.

The previous prime is 3606776483. The next prime is 3606776549. The reversal of 3606776489 is 9846776063.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-3606776489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3606776483) 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, 41939219 + ... + 41939304.

It is an arithmetic number, because the mean of its divisors is an integer number (922663764).

Almost surely, 2^3606776489 is an apocalyptic number.

It is an amenable number.

3606776489 is a deficient number, since it is larger than the sum of its proper divisors (83878567).

3606776489 is an equidigital number, since it uses as much as digits as its factorization.

3606776489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83878566.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The square root of 3606776489 is about 60056.4441921098. Note that the first 3 decimals coincide. The cubic root of 3606776489 is about 1533.5799078521.

The spelling of 3606776489 in words is "three billion, six hundred six million, seven hundred seventy-six thousand, four hundred eighty-nine".