5912721243 has 24 divisors (see below), whose sum is σ = 10033710960. Its totient is φ = 3307815360.

The previous prime is 5912721203. The next prime is 5912721253. The reversal of 5912721243 is 3421272195.

5912721243 is a `hidden beast` number, since 591 + 2 + 7 + 21 + 2 + 43 = 666.

It is not a de Polignac number, because 5912721243 - 2²⁴ = 5895944027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5912721198 and 5912721207.

It is not an unprimeable number, because it can be changed into a prime (5912721203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2295808 + ... + 2298381.

It is an arithmetic number, because the mean of its divisors is an integer number (418071290).

Almost surely, 2^5912721243 is an apocalyptic number.

5912721243 is a deficient number, since it is larger than the sum of its proper divisors (4120989717).

5912721243 is a wasteful number, since it uses less digits than its factorization.

5912721243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594219 (or 4594216 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5912721243 is about 76894.2211287688. The cubic root of 5912721243 is about 1808.2666314023.

The spelling of 5912721243 in words is "five billion, nine hundred twelve million, seven hundred twenty-one thousand, two hundred forty-three".