3654243444556 has 12 divisors (see below), whose sum is σ = 6394946021968. Its totient is φ = 1827116009712.

The previous prime is 3654243444499. The next prime is 3654243444569. The reversal of 3654243444556 is 6554443424563.

It is a junction number, because it is equal to n+sod(n) for n = 3654243444497 and 3654243444506.

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, 223345 + ... + 2712631.

Almost surely, 2^{3654243444556} is an apocalyptic number.

It is an amenable number.

3654243444556 is a deficient number, since it is larger than the sum of its proper divisors (2740702577412).

3654243444556 is a wasteful number, since it uses less digits than its factorization.

3654243444556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856288 (or 2856286 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 55.

The spelling of 3654243444556 in words is "three trillion, six hundred fifty-four billion, two hundred forty-three million, four hundred forty-four thousand, five hundred fifty-six".