4221871788147 has 16 divisors (see below), whose sum is σ = 6062211730848. Its totient is φ = 2598059151360.

The previous prime is 4221871788139. The next prime is 4221871788157. The reversal of 4221871788147 is 7418871781224.

It is not a de Polignac number, because 4221871788147 - 2³ = 4221871788139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221871788157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12445747 + ... + 12780467.

It is an arithmetic number, because the mean of its divisors is an integer number (378888233178).

Almost surely, 2^{4221871788147} is an apocalyptic number.

4221871788147 is a deficient number, since it is larger than the sum of its proper divisors (1840339942701).

4221871788147 is a wasteful number, since it uses less digits than its factorization.

4221871788147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658150.

The product of its digits is 11239424, while the sum is 60.

The spelling of 4221871788147 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-one million, seven hundred eighty-eight thousand, one hundred forty-seven".