6551100427 has 2 divisors, whose sum is σ = 6551100428. Its totient is φ = 6551100426.

The previous prime is 6551100407. The next prime is 6551100547. The reversal of 6551100427 is 7240011556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6551100427 - 2²⁷ = 6416882699 is a prime.

It is not a weakly prime, because it can be changed into another prime (6551100407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275550213 + 3275550214.

It is an arithmetic number, because the mean of its divisors is an integer number (3275550214).

Almost surely, 2^6551100427 is an apocalyptic number.

6551100427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551100427 is an equidigital number, since it uses as much as digits as its factorization.

6551100427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 6551100427 is about 80938.8684563850. The cubic root of 6551100427 is about 1871.1334056727.

The spelling of 6551100427 in words is "six billion, five hundred fifty-one million, one hundred thousand, four hundred twenty-seven".