3506379865 has 4 divisors (see below), whose sum is σ = 4207655844. Its totient is φ = 2805103888.

The previous prime is 3506379839. The next prime is 3506379881. The reversal of 3506379865 is 5689736053.

3506379865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 564727696 + 2941652169 = 23764^2 + 54237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3506379865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350637982 + ... + 350637991.

It is an arithmetic number, because the mean of its divisors is an integer number (1051913961).

Almost surely, 2^3506379865 is an apocalyptic number.

It is an amenable number.

3506379865 is a deficient number, since it is larger than the sum of its proper divisors (701275979).

3506379865 is an equidigital number, since it uses as much as digits as its factorization.

3506379865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701275978.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The square root of 3506379865 is about 59214.6929824009. The cubic root of 3506379865 is about 1519.2164511014.

The spelling of 3506379865 in words is "three billion, five hundred six million, three hundred seventy-nine thousand, eight hundred sixty-five".