6457661227 has 2 divisors, whose sum is σ = 6457661228. Its totient is φ = 6457661226.

The previous prime is 6457661183. The next prime is 6457661261. The reversal of 6457661227 is 7221667546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6457661227 - 2¹⁵ = 6457628459 is a prime.

It is not a weakly prime, because it can be changed into another prime (6455661227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228830613 + 3228830614.

It is an arithmetic number, because the mean of its divisors is an integer number (3228830614).

Almost surely, 2^6457661227 is an apocalyptic number.

6457661227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6457661227 is an equidigital number, since it uses as much as digits as its factorization.

6457661227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 6457661227 is about 80359.5745819999. The cubic root of 6457661227 is about 1862.1946987348.

The spelling of 6457661227 in words is "six billion, four hundred fifty-seven million, six hundred sixty-one thousand, two hundred twenty-seven".