4221679259625 has 16 divisors (see below), whose sum is σ = 7024874288640. Its totient is φ = 2251562271600.

The previous prime is 4221679259621. The next prime is 4221679259659. The reversal of 4221679259625 is 5269529761224.

It is not a de Polignac number, because 4221679259625 - 2² = 4221679259621 is a prime.

It is a super-2 number, since 2×4221679259625² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4221679259621) 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, 5628905305 + ... + 5628906054.

It is an arithmetic number, because the mean of its divisors is an integer number (439054643040).

Almost surely, 2^{4221679259625} is an apocalyptic number.

It is an amenable number.

4221679259625 is a deficient number, since it is larger than the sum of its proper divisors (2803195029015).

4221679259625 is a wasteful number, since it uses less digits than its factorization.

4221679259625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257811377 (or 11257811367 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 4221679259625 in words is "four trillion, two hundred twenty-one billion, six hundred seventy-nine million, two hundred fifty-nine thousand, six hundred twenty-five".