3486666331807 has 4 divisors (see below), whose sum is σ = 3486674101680. Its totient is φ = 3486658561936.

The previous prime is 3486666331781. The next prime is 3486666331817. The reversal of 3486666331807 is 7081336666843.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3486666331807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486666331817) 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, 3167683 + ... + 4124020.

It is an arithmetic number, because the mean of its divisors is an integer number (871668525420).

Almost surely, 2^{3486666331807} is an apocalyptic number.

3486666331807 is a deficient number, since it is larger than the sum of its proper divisors (7769873).

3486666331807 is an equidigital number, since it uses as much as digits as its factorization.

3486666331807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769872.

The product of its (nonzero) digits is 62705664, while the sum is 61.

The spelling of 3486666331807 in words is "three trillion, four hundred eighty-six billion, six hundred sixty-six million, three hundred thirty-one thousand, eight hundred seven".