4121995536 has 120 divisors (see below), whose sum is σ = 11681377344. Its totient is φ = 1356791040.

The previous prime is 4121995513. The next prime is 4121995601. The reversal of 4121995536 is 6355991214.

4121995536 is a `hidden beast` number, since 4 + 1 + 2 + 1 + 99 + 553 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4121995491 and 4121995500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4352215 + ... + 4353161.

Almost surely, 2^4121995536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121995536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5840688672).

4121995536 is an abundant number, since it is smaller than the sum of its proper divisors (7559381808).

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

4121995536 is a wasteful number, since it uses less digits than its factorization.

4121995536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1300 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 4121995536 is about 64202.7689122518. The cubic root of 4121995536 is about 1603.3776998638.

The spelling of 4121995536 in words is "four billion, one hundred twenty-one million, nine hundred ninety-five thousand, five hundred thirty-six".