42471263117 has 4 divisors (see below), whose sum is σ = 42607826976. Its totient is φ = 42334699260.

The previous prime is 42471263113. The next prime is 42471263171. The reversal of 42471263117 is 71136217424.

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 42471263117 - 2² = 42471263113 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 (42471263113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68281463 + ... + 68282084.

It is an arithmetic number, because the mean of its divisors is an integer number (10651956744).

Almost surely, 2^42471263117 is an apocalyptic number.

It is an amenable number.

42471263117 is a deficient number, since it is larger than the sum of its proper divisors (136563859).

42471263117 is a wasteful number, since it uses less digits than its factorization.

42471263117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136563858.

The product of its digits is 56448, while the sum is 38.

The spelling of 42471263117 in words is "forty-two billion, four hundred seventy-one million, two hundred sixty-three thousand, one hundred seventeen".