43217422671 has 32 divisors (see below), whose sum is σ = 60551382528. Its totient is φ = 27365627520.

The previous prime is 43217422649. The next prime is 43217422693. The reversal of 43217422671 is 17622471234.

It is an interprime number because it is at equal distance from previous prime (43217422649) and next prime (43217422693).

It is not a de Polignac number, because 43217422671 - 2¹⁸ = 43217160527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43217422621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9826645 + ... + 9831041.

It is an arithmetic number, because the mean of its divisors is an integer number (1892230704).

Almost surely, 2^43217422671 is an apocalyptic number.

43217422671 is a deficient number, since it is larger than the sum of its proper divisors (17333959857).

43217422671 is a wasteful number, since it uses less digits than its factorization.

43217422671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

The product of its digits is 112896, while the sum is 39.

The spelling of 43217422671 in words is "forty-three billion, two hundred seventeen million, four hundred twenty-two thousand, six hundred seventy-one".