5927187421 has 4 divisors (see below), whose sum is σ = 5938832700. Its totient is φ = 5915542144.

The previous prime is 5927187397. The next prime is 5927187433. The reversal of 5927187421 is 1247817295.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1247817295 = 5 ⋅249563459.

It can be written as a sum of positive squares in 2 ways, for example, as 5593394521 + 333792900 = 74789^2 + 18270^2 .

It is a cyclic number.

It is not a de Polignac number, because 5927187421 - 2²⁵ = 5893632989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5927187481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5821876 + ... + 5822893.

It is an arithmetic number, because the mean of its divisors is an integer number (1484708175).

Almost surely, 2^5927187421 is an apocalyptic number.

It is an amenable number.

5927187421 is a deficient number, since it is larger than the sum of its proper divisors (11645279).

5927187421 is a wasteful number, since it uses less digits than its factorization.

5927187421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645278.

The product of its digits is 282240, while the sum is 46.

The square root of 5927187421 is about 76988.2291067927. The cubic root of 5927187421 is about 1809.7401437029.

The spelling of 5927187421 in words is "five billion, nine hundred twenty-seven million, one hundred eighty-seven thousand, four hundred twenty-one".