8541721936 has 20 divisors (see below), whose sum is σ = 18054094464. Its totient is φ = 3882600800.

The previous prime is 8541721919. The next prime is 8541721963. The reversal of 8541721936 is 6391271458.

It is a super-2 number, since 2×8541721936² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24266080 + ... + 24266431.

Almost surely, 2^8541721936 is an apocalyptic number.

It is an amenable number.

8541721936 is an abundant number, since it is smaller than the sum of its proper divisors (9512372528).

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

8541721936 is a wasteful number, since it uses less digits than its factorization.

8541721936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48532530 (or 48532524 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 8541721936 is about 92421.4365610057. The cubic root of 8541721936 is about 2044.1612113917.

The spelling of 8541721936 in words is "eight billion, five hundred forty-one million, seven hundred twenty-one thousand, nine hundred thirty-six".