42093441877 has 4 divisors (see below), whose sum is σ = 42094250380. Its totient is φ = 42092633376.

The previous prime is 42093441857. The next prime is 42093441883. The reversal of 42093441877 is 77814439024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4105093041 + 37988348836 = 64071^2 + 194906^2 .

It is a cyclic number.

It is not a de Polignac number, because 42093441877 - 2¹⁵ = 42093409109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42093441877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42093441827) 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, 320352 + ... + 432217.

It is an arithmetic number, because the mean of its divisors is an integer number (10523562595).

Almost surely, 2^42093441877 is an apocalyptic number.

It is an amenable number.

42093441877 is a deficient number, since it is larger than the sum of its proper divisors (808503).

42093441877 is an equidigital number, since it uses as much as digits as its factorization.

42093441877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808502.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 42093441877 in words is "forty-two billion, ninety-three million, four hundred forty-one thousand, eight hundred seventy-seven".