4221646415671 has 8 divisors (see below), whose sum is σ = 4357943503488. Its totient is φ = 4085356512000.

The previous prime is 4221646415669. The next prime is 4221646415687. The reversal of 4221646415671 is 1765146461224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4221646415671 - 2¹ = 4221646415669 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 (4221686415671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588910 + ... + 2964811.

It is an arithmetic number, because the mean of its divisors is an integer number (544742937936).

Almost surely, 2^{4221646415671} is an apocalyptic number.

4221646415671 is a deficient number, since it is larger than the sum of its proper divisors (136297087817).

4221646415671 is a wasteful number, since it uses less digits than its factorization.

4221646415671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592073.

The product of its digits is 1935360, while the sum is 49.

The spelling of 4221646415671 in words is "four trillion, two hundred twenty-one billion, six hundred forty-six million, four hundred fifteen thousand, six hundred seventy-one".