4221601432875 has 128 divisors (see below), whose sum is σ = 7890030720000. Its totient is φ = 2227140489600.

The previous prime is 4221601432861. The next prime is 4221601432877. The reversal of 4221601432875 is 5782341061224.

4221601432875 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 601 + 4 + 32 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 4221601432875 - 2¹⁰ = 4221601431851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4221601432875.

It is not an unprimeable number, because it can be changed into a prime (4221601432877) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 227705356 + ... + 227723894.

It is an arithmetic number, because the mean of its divisors is an integer number (61640865000).

Almost surely, 2^{4221601432875} is an apocalyptic number.

4221601432875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4221601432875 is a deficient number, since it is larger than the sum of its proper divisors (3668429287125).

4221601432875 is a wasteful number, since it uses less digits than its factorization.

4221601432875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19291 (or 19275 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 4221601432875 in words is "four trillion, two hundred twenty-one billion, six hundred one million, four hundred thirty-two thousand, eight hundred seventy-five".