42165625303 has 4 divisors (see below), whose sum is σ = 44384868760. Its totient is φ = 39946381848.

The previous prime is 42165625277. The next prime is 42165625331. The reversal of 42165625303 is 30352656124.

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 42165625303 - 2¹³ = 42165617111 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 (42165625903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109621700 + ... + 1109621737.

It is an arithmetic number, because the mean of its divisors is an integer number (11096217190).

Almost surely, 2^42165625303 is an apocalyptic number.

42165625303 is a deficient number, since it is larger than the sum of its proper divisors (2219243457).

42165625303 is a wasteful number, since it uses less digits than its factorization.

42165625303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219243456.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 42165625303 in words is "forty-two billion, one hundred sixty-five million, six hundred twenty-five thousand, three hundred three".