2443121654 has 8 divisors (see below), whose sum is σ = 3666327408. Its totient is φ = 1221012520.

The previous prime is 2443121651. The next prime is 2443121693. The reversal of 2443121654 is 4561213442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2443121654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443121651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268562 + ... + 277509.

It is an arithmetic number, because the mean of its divisors is an integer number (458290926).

Almost surely, 2^2443121654 is an apocalyptic number.

2443121654 is a deficient number, since it is larger than the sum of its proper divisors (1223205754).

2443121654 is a wasteful number, since it uses less digits than its factorization.

2443121654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548310.

The product of its digits is 23040, while the sum is 32.

The square root of 2443121654 is about 49427.9440600153. The cubic root of 2443121654 is about 1346.8369760452.

The spelling of 2443121654 in words is "two billion, four hundred forty-three million, one hundred twenty-one thousand, six hundred fifty-four".