4557645457 has 2 divisors, whose sum is σ = 4557645458. Its totient is φ = 4557645456.

The previous prime is 4557645437. The next prime is 4557645461. The reversal of 4557645457 is 7545467554.

4557645457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3562179856 + 995465601 = 59684^2 + 31551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4557645457 - 2⁷ = 4557645329 is a prime.

It is a super-2 number, since 2×4557645457² = 41544264223425477698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4557645437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278822728 + 2278822729.

It is an arithmetic number, because the mean of its divisors is an integer number (2278822729).

Almost surely, 2^4557645457 is an apocalyptic number.

It is an amenable number.

4557645457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4557645457 is an equidigital number, since it uses as much as digits as its factorization.

4557645457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760000, while the sum is 52.

The square root of 4557645457 is about 67510.3359271749. The cubic root of 4557645457 is about 1657.9834050974.

The spelling of 4557645457 in words is "four billion, five hundred fifty-seven million, six hundred forty-five thousand, four hundred fifty-seven".