537734216893 has 4 divisors (see below), whose sum is σ = 537757950240. Its totient is φ = 537710483548.

The previous prime is 537734216867. The next prime is 537734216911. The reversal of 537734216893 is 398612437735.

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 a de Polignac number, because none of the positive numbers 2^k-537734216893 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537734213893) 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, 11832655 + ... + 11878012.

It is an arithmetic number, because the mean of its divisors is an integer number (134439487560).

Almost surely, 2^537734216893 is an apocalyptic number.

It is an amenable number.

537734216893 is a deficient number, since it is larger than the sum of its proper divisors (23733347).

537734216893 is a wasteful number, since it uses less digits than its factorization.

537734216893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23733346.

The product of its digits is 22861440, while the sum is 58.

The spelling of 537734216893 in words is "five hundred thirty-seven billion, seven hundred thirty-four million, two hundred sixteen thousand, eight hundred ninety-three".