42071581463 has 2 divisors, whose sum is σ = 42071581464. Its totient is φ = 42071581462.

The previous prime is 42071581429. The next prime is 42071581471. The reversal of 42071581463 is 36418517024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42071581463 - 2³⁰ = 40997839639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42071581463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42071581493) 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 as a sum of consecutive naturals, namely, 21035790731 + 21035790732.

It is an arithmetic number, because the mean of its divisors is an integer number (21035790732).

Almost surely, 2^42071581463 is an apocalyptic number.

42071581463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42071581463 is an equidigital number, since it uses as much as digits as its factorization.

42071581463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 42071581463 in words is "forty-two billion, seventy-one million, five hundred eighty-one thousand, four hundred sixty-three".