42503975471 has 2 divisors, whose sum is σ = 42503975472. Its totient is φ = 42503975470.

The previous prime is 42503975389. The next prime is 42503975477. The reversal of 42503975471 is 17457930524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42503975471 is a prime.

It is a super-3 number, since 3×42503975471³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42503975477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251987735 + 21251987736.

It is an arithmetic number, because the mean of its divisors is an integer number (21251987736).

Almost surely, 2^42503975471 is an apocalyptic number.

42503975471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42503975471 is an equidigital number, since it uses as much as digits as its factorization.

42503975471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 42503975471 in words is "forty-two billion, five hundred three million, nine hundred seventy-five thousand, four hundred seventy-one".