537944791 has 4 divisors (see below), whose sum is σ = 538422400. Its totient is φ = 537467184.

The previous prime is 537944789. The next prime is 537944801. The reversal of 537944791 is 197449735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 537944791 - 2¹ = 537944789 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 (537945791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237111 + ... + 239368.

It is an arithmetic number, because the mean of its divisors is an integer number (134605600).

Almost surely, 2^537944791 is an apocalyptic number.

537944791 is a deficient number, since it is larger than the sum of its proper divisors (477609).

537944791 is a wasteful number, since it uses less digits than its factorization.

537944791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477608.

The product of its digits is 952560, while the sum is 49.

The square root of 537944791 is about 23193.6368644506. The cubic root of 537944791 is about 813.2908798088.

It can be divided in two parts, 53794 and 4791, that added together give a palindrome (58585).

The spelling of 537944791 in words is "five hundred thirty-seven million, nine hundred forty-four thousand, seven hundred ninety-one".