6581425941 has 12 divisors (see below), whose sum is σ = 10006846720. Its totient is φ = 4156689960.

The previous prime is 6581425937. The next prime is 6581425957. The reversal of 6581425941 is 1495241856.

6581425941 is a `hidden beast` number, since 6 + 58 + 1 + 4 + 2 + 594 + 1 = 666.

It is not a de Polignac number, because 6581425941 - 2² = 6581425937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581425241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19243765 + ... + 19244106.

Almost surely, 2^6581425941 is an apocalyptic number.

It is an amenable number.

6581425941 is a deficient number, since it is larger than the sum of its proper divisors (3425420779).

6581425941 is a wasteful number, since it uses less digits than its factorization.

6581425941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38487896 (or 38487893 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 6581425941 is about 81125.9880741061. The cubic root of 6581425941 is about 1874.0161656743.

The spelling of 6581425941 in words is "six billion, five hundred eighty-one million, four hundred twenty-five thousand, nine hundred forty-one".