3421959344644 has 6 divisors (see below), whose sum is σ = 5988428853134. Its totient is φ = 1710979672320.

The previous prime is 3421959344621. The next prime is 3421959344651. The reversal of 3421959344644 is 4464439591243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3218837868544 + 203121476100 = 1794112^2 + 450690^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427744918077 + ... + 427744918084.

Almost surely, 2^{3421959344644} is an apocalyptic number.

It is an amenable number.

3421959344644 is a deficient number, since it is larger than the sum of its proper divisors (2566469508490).

3421959344644 is a wasteful number, since it uses less digits than its factorization.

3421959344644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855489836165 (or 855489836163 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 58.

The spelling of 3421959344644 in words is "three trillion, four hundred twenty-one billion, nine hundred fifty-nine million, three hundred forty-four thousand, six hundred forty-four".