2443255646 has 12 divisors (see below), whose sum is σ = 3968483832. Its totient is φ = 1127656296.

The previous prime is 2443255643. The next prime is 2443255663. The reversal of 2443255646 is 6465523442.

2443255646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443255643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3613946 + ... + 3614621.

It is an arithmetic number, because the mean of its divisors is an integer number (330706986).

Almost surely, 2^2443255646 is an apocalyptic number.

2443255646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2443255646 is a deficient number, since it is larger than the sum of its proper divisors (1525228186).

2443255646 is a wasteful number, since it uses less digits than its factorization.

2443255646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228595 (or 7228582 counting only the distinct ones).

The product of its digits is 691200, while the sum is 41.

The square root of 2443255646 is about 49429.2994690396. The cubic root of 2443255646 is about 1346.8615978346.

The spelling of 2443255646 in words is "two billion, four hundred forty-three million, two hundred fifty-five thousand, six hundred forty-six".