234444557893 has 16 divisors (see below), whose sum is σ = 289065248640. Its totient is φ = 185161530816.

The previous prime is 234444557887. The next prime is 234444557953. The reversal of 234444557893 is 398755444432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234444557893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234444552893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261983 + ... + 2363356.

It is an arithmetic number, because the mean of its divisors is an integer number (18066578040).

Almost surely, 2^234444557893 is an apocalyptic number.

It is an amenable number.

234444557893 is a deficient number, since it is larger than the sum of its proper divisors (54620690747).

234444557893 is a wasteful number, since it uses less digits than its factorization.

234444557893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625916.

The product of its digits is 58060800, while the sum is 58.

The spelling of 234444557893 in words is "two hundred thirty-four billion, four hundred forty-four million, five hundred fifty-seven thousand, eight hundred ninety-three".