6455557627 has 2 divisors, whose sum is σ = 6455557628. Its totient is φ = 6455557626.

The previous prime is 6455557571. The next prime is 6455557643. The reversal of 6455557627 is 7267555546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455557627 is a prime.

It is a super-2 number, since 2×6455557627² = 83348448551035742258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6455557657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227778813 + 3227778814.

It is an arithmetic number, because the mean of its divisors is an integer number (3227778814).

Almost surely, 2^6455557627 is an apocalyptic number.

6455557627 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455557627 is an equidigital number, since it uses as much as digits as its factorization.

6455557627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820000, while the sum is 52.

The square root of 6455557627 is about 80346.4848453248. The cubic root of 6455557627 is about 1861.9924718467.

The spelling of 6455557627 in words is "six billion, four hundred fifty-five million, five hundred fifty-seven thousand, six hundred twenty-seven".