3621154714644 has 24 divisors (see below), whose sum is σ = 8454264915040. Its totient is φ = 1206351012384.

The previous prime is 3621154714571. The next prime is 3621154714651. The reversal of 3621154714644 is 4464174511263.

It is a happy number.

3621154714644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3621154714644² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3621154714593 and 3621154714602.

It is a congruent 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, 87548359 + ... + 87589710.

Almost surely, 2^{3621154714644} is an apocalyptic number.

It is an amenable number.

3621154714644 is an abundant number, since it is smaller than the sum of its proper divisors (4833110200396).

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

3621154714644 is a wasteful number, since it uses less digits than its factorization.

3621154714644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175139799 (or 175139797 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 3621154714644 in words is "three trillion, six hundred twenty-one billion, one hundred fifty-four million, seven hundred fourteen thousand, six hundred forty-four".