6554943427 has 2 divisors, whose sum is σ = 6554943428. Its totient is φ = 6554943426.

The previous prime is 6554943413. The next prime is 6554943433. The reversal of 6554943427 is 7243494556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6554943427 is a prime.

It is not a weakly prime, because it can be changed into another prime (6554943467) 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 as a sum of consecutive naturals, namely, 3277471713 + 3277471714.

It is an arithmetic number, because the mean of its divisors is an integer number (3277471714).

Almost surely, 2^6554943427 is an apocalyptic number.

6554943427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6554943427 is an equidigital number, since it uses as much as digits as its factorization.

6554943427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 49.

The square root of 6554943427 is about 80962.6051149542. The cubic root of 6554943427 is about 1871.4992149560.

The spelling of 6554943427 in words is "six billion, five hundred fifty-four million, nine hundred forty-three thousand, four hundred twenty-seven".