42402125193 has 4 divisors (see below), whose sum is σ = 56536166928. Its totient is φ = 28268083460.

The previous prime is 42402125191. The next prime is 42402125261. The reversal of 42402125193 is 39152120424.

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 42402125193 - 2¹ = 42402125191 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42402125191) 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, 7067020863 + ... + 7067020868.

It is an arithmetic number, because the mean of its divisors is an integer number (14134041732).

Almost surely, 2^42402125193 is an apocalyptic number.

It is an amenable number.

42402125193 is a deficient number, since it is larger than the sum of its proper divisors (14134041735).

42402125193 is a wasteful number, since it uses less digits than its factorization.

42402125193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134041734.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 42402125193 in words is "forty-two billion, four hundred two million, one hundred twenty-five thousand, one hundred ninety-three".