3438194443816 has 32 divisors (see below), whose sum is σ = 7033243089600. Its totient is φ = 1562688403840.

The previous prime is 3438194443807. The next prime is 3438194443823. The reversal of 3438194443816 is 6183444918343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499540 + ... + 2669443.

It is an arithmetic number, because the mean of its divisors is an integer number (219788846550).

Almost surely, 2^{3438194443816} is an apocalyptic number.

It is an amenable number.

3438194443816 is an abundant number, since it is smaller than the sum of its proper divisors (3595048645784).

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

3438194443816 is a wasteful number, since it uses less digits than its factorization.

3438194443816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181329 (or 3181325 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 58.

The spelling of 3438194443816 in words is "three trillion, four hundred thirty-eight billion, one hundred ninety-four million, four hundred forty-three thousand, eight hundred sixteen".