4221372103686 has 48 divisors (see below), whose sum is σ = 9437206693824. Its totient is φ = 1362987412992.

The previous prime is 4221372103681. The next prime is 4221372103747. The reversal of 4221372103686 is 6863012731224.

4221372103686 is a `hidden beast` number, since 4 + 2 + 213 + 72 + 1 + 0 + 368 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221372103681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25638565 + ... + 25802688.

It is an arithmetic number, because the mean of its divisors is an integer number (196608472788).

Almost surely, 2^{4221372103686} is an apocalyptic number.

4221372103686 is an abundant number, since it is smaller than the sum of its proper divisors (5215834590138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221372103686 is a wasteful number, since it uses less digits than its factorization.

4221372103686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51441405 (or 51441402 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 4221372103686 in words is "four trillion, two hundred twenty-one billion, three hundred seventy-two million, one hundred three thousand, six hundred eighty-six".