42583081871671 has 4 divisors (see below), whose sum is σ = 46454271132744. Its totient is φ = 38711892610600.

The previous prime is 42583081871597. The next prime is 42583081871677. The reversal of 42583081871671 is 17617818038524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42583081871671 - 2²¹ = 42583079774519 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 (42583081871677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935594630520 + ... + 1935594630541.

It is an arithmetic number, because the mean of its divisors is an integer number (11613567783186).

Almost surely, 2^{42583081871671} is an apocalyptic number.

42583081871671 is a deficient number, since it is larger than the sum of its proper divisors (3871189261073).

42583081871671 is a wasteful number, since it uses less digits than its factorization.

42583081871671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871189261072.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 42583081871671 in words is "forty-two trillion, five hundred eighty-three billion, eighty-one million, eight hundred seventy-one thousand, six hundred seventy-one".