6542404927 has 2 divisors, whose sum is σ = 6542404928. Its totient is φ = 6542404926.

The previous prime is 6542404907. The next prime is 6542404937. The reversal of 6542404927 is 7294042456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6542404927 - 2¹⁵ = 6542372159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6542404907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271202463 + 3271202464.

It is an arithmetic number, because the mean of its divisors is an integer number (3271202464).

Almost surely, 2^6542404927 is an apocalyptic number.

6542404927 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542404927 is an equidigital number, since it uses as much as digits as its factorization.

6542404927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 6542404927 is about 80885.1341533165. The cubic root of 6542404927 is about 1870.3051659597.

The spelling of 6542404927 in words is "six billion, five hundred forty-two million, four hundred four thousand, nine hundred twenty-seven".