537864807023443 has 4 divisors (see below), whose sum is σ = 541970645245128. Its totient is φ = 533758968801760.

The previous prime is 537864807023441. The next prime is 537864807023459. The reversal of 537864807023443 is 344320708468735.

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 537864807023443 - 2¹ = 537864807023441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537864807023441) 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, 2052919110646 + ... + 2052919110907.

It is an arithmetic number, because the mean of its divisors is an integer number (135492661311282).

Almost surely, 2^{537864807023443} is an apocalyptic number.

537864807023443 is a deficient number, since it is larger than the sum of its proper divisors (4105838221685).

537864807023443 is a wasteful number, since it uses less digits than its factorization.

537864807023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105838221684.

The product of its (nonzero) digits is 325140480, while the sum is 64.

The spelling of 537864807023443 in words is "five hundred thirty-seven trillion, eight hundred sixty-four billion, eight hundred seven million, twenty-three thousand, four hundred forty-three".