4221386614557 has 64 divisors (see below), whose sum is σ = 7527776808960. Its totient is φ = 2285777558592.

The previous prime is 4221386614547. The next prime is 4221386614639. The reversal of 4221386614557 is 7554166831224.

4221386614557 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 3 + 86 + 6 + 1 + 4 + 557 = 666.

It is not a de Polignac number, because 4221386614557 - 2⁶ = 4221386614493 is a prime.

It is a super-3 number, since 3×4221386614557³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221386614547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4072738 + ... + 5002995.

It is an arithmetic number, because the mean of its divisors is an integer number (117621512640).

Almost surely, 2^{4221386614557} is an apocalyptic number.

It is an amenable number.

4221386614557 is a deficient number, since it is larger than the sum of its proper divisors (3306390194403).

4221386614557 is a wasteful number, since it uses less digits than its factorization.

4221386614557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075879 (or 9075873 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 4221386614557 in words is "four trillion, two hundred twenty-one billion, three hundred eighty-six million, six hundred fourteen thousand, five hundred fifty-seven".