42874874693 has 4 divisors (see below), whose sum is σ = 48999856800. Its totient is φ = 36749892588.

The previous prime is 42874874677. The next prime is 42874874761. The reversal of 42874874693 is 39647847824.

It is a happy number.

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 42874874693 - 2⁴ = 42874874677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42874871693) 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, 3062491043 + ... + 3062491056.

It is an arithmetic number, because the mean of its divisors is an integer number (12249964200).

Almost surely, 2^42874874693 is an apocalyptic number.

It is an amenable number.

42874874693 is a deficient number, since it is larger than the sum of its proper divisors (6124982107).

42874874693 is an equidigital number, since it uses as much as digits as its factorization.

42874874693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124982106.

The product of its digits is 65028096, while the sum is 62.

The spelling of 42874874693 in words is "forty-two billion, eight hundred seventy-four million, eight hundred seventy-four thousand, six hundred ninety-three".