3406948666872 has 32 divisors (see below), whose sum is σ = 8517449468880. Its totient is φ = 1135639182080.

The previous prime is 3406948666871. The next prime is 3406948666873. The reversal of 3406948666872 is 2786668496043.

It is an interprime number because it is at equal distance from previous prime (3406948666871) and next prime (3406948666873).

It is a junction number, because it is equal to n+sod(n) for n = 3406948666797 and 3406948666806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406948666871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309122 + ... + 3485102.

Almost surely, 2^{3406948666872} is an apocalyptic number.

It is an amenable number.

3406948666872 is an abundant number, since it is smaller than the sum of its proper divisors (5110500802008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3406948666872 is a wasteful number, since it uses less digits than its factorization.

3406948666872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296703 (or 1296699 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 69.

The spelling of 3406948666872 in words is "three trillion, four hundred six billion, nine hundred forty-eight million, six hundred sixty-six thousand, eight hundred seventy-two".