13851854533 has 4 divisors (see below), whose sum is σ = 15111114048. Its totient is φ = 12592595020.

The previous prime is 13851854521. The next prime is 13851854537. The reversal of 13851854533 is 33545815831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13851854533 - 2¹³ = 13851846341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851854537) 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, 629629741 + ... + 629629762.

It is an arithmetic number, because the mean of its divisors is an integer number (3777778512).

Almost surely, 2^13851854533 is an apocalyptic number.

It is an amenable number.

13851854533 is a deficient number, since it is larger than the sum of its proper divisors (1259259515).

13851854533 is a wasteful number, since it uses less digits than its factorization.

13851854533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259259514.

The product of its digits is 864000, while the sum is 46.

The spelling of 13851854533 in words is "thirteen billion, eight hundred fifty-one million, eight hundred fifty-four thousand, five hundred thirty-three".