4221871625632 has 12 divisors (see below), whose sum is σ = 8311809763026. Its totient is φ = 2110935812800.

The previous prime is 4221871625603. The next prime is 4221871625669. The reversal of 4221871625632 is 2365261781224.

It can be written as a sum of positive squares in only one way, i.e., 2170777902736 + 2051093722896 = 1473356^2 + 1432164^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65966744119 + ... + 65966744182.

Almost surely, 2^{4221871625632} is an apocalyptic number.

It is an amenable number.

4221871625632 is a deficient number, since it is larger than the sum of its proper divisors (4089938137394).

4221871625632 is a wasteful number, since it uses less digits than its factorization.

4221871625632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131933488311 (or 131933488303 counting only the distinct ones).

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

The spelling of 4221871625632 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-one million, six hundred twenty-five thousand, six hundred thirty-two".