3521335354644 has 12 divisors (see below), whose sum is σ = 8216449160864. Its totient is φ = 1173778451544.

The previous prime is 3521335354639. The next prime is 3521335354741. The reversal of 3521335354644 is 4464535331253.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3521335354593 and 3521335354602.

It is a congruent 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, 146722306432 + ... + 146722306455.

Almost surely, 2^{3521335354644} is an apocalyptic number.

It is an amenable number.

3521335354644 is an abundant number, since it is smaller than the sum of its proper divisors (4695113806220).

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

3521335354644 is a wasteful number, since it uses less digits than its factorization.

3521335354644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293444612894 (or 293444612892 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 48.

The spelling of 3521335354644 in words is "three trillion, five hundred twenty-one billion, three hundred thirty-five million, three hundred fifty-four thousand, six hundred forty-four".