2443387901894 has 8 divisors (see below), whose sum is σ = 3764138119248. Its totient is φ = 1188675195480.

The previous prime is 2443387901879. The next prime is 2443387901897. The reversal of 2443387901894 is 4981097833442.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443387901897) 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, 16509377642 + ... + 16509377789.

It is an arithmetic number, because the mean of its divisors is an integer number (470517264906).

Almost surely, 2^{2443387901894} is an apocalyptic number.

2443387901894 is a deficient number, since it is larger than the sum of its proper divisors (1320750217354).

2443387901894 is a wasteful number, since it uses less digits than its factorization.

2443387901894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33018755470.

The product of its (nonzero) digits is 41803776, while the sum is 62.

Adding to 2443387901894 its sum of digits (62), we get a square (2443387901956 = 1563134²).

The spelling of 2443387901894 in words is "two trillion, four hundred forty-three billion, three hundred eighty-seven million, nine hundred one thousand, eight hundred ninety-four".