42417677903 has 4 divisors (see below), whose sum is σ = 42438483120. Its totient is φ = 42396872688.

The previous prime is 42417677873. The next prime is 42417677999. The reversal of 42417677903 is 30977671424.

It is a happy number.

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 42417677903 - 2⁶ = 42417677839 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 (42417677503) 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, 10399550 + ... + 10403627.

It is an arithmetic number, because the mean of its divisors is an integer number (10609620780).

Almost surely, 2^42417677903 is an apocalyptic number.

42417677903 is a deficient number, since it is larger than the sum of its proper divisors (20805217).

42417677903 is a wasteful number, since it uses less digits than its factorization.

42417677903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20805216.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 42417677903 in words is "forty-two billion, four hundred seventeen million, six hundred seventy-seven thousand, nine hundred three".