4121863572 has 24 divisors (see below), whose sum is σ = 10123876000. Its totient is φ = 1301641056.

The previous prime is 4121863561. The next prime is 4121863621. The reversal of 4121863572 is 2753681214.

It is a self number, because there is not a number n which added to its sum of digits gives 4121863572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038947 + ... + 9039402.

Almost surely, 2^4121863572 is an apocalyptic number.

It is an amenable number.

4121863572 is an abundant number, since it is smaller than the sum of its proper divisors (6002012428).

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

4121863572 is a wasteful number, since it uses less digits than its factorization.

4121863572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078375 (or 18078373 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 4121863572 is about 64201.7411913415. The cubic root of 4121863572 is about 1603.3605891876.

The spelling of 4121863572 in words is "four billion, one hundred twenty-one million, eight hundred sixty-three thousand, five hundred seventy-two".