4250243185457 has 2 divisors, whose sum is σ = 4250243185458. Its totient is φ = 4250243185456.

The previous prime is 4250243185399. The next prime is 4250243185483. The reversal of 4250243185457 is 7545813420524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3904856597041 + 345386588416 = 1976071^2 + 587696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250243185457 - 2⁶ = 4250243185393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4250243145457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125121592728 + 2125121592729.

It is an arithmetic number, because the mean of its divisors is an integer number (2125121592729).

Almost surely, 2^{4250243185457} is an apocalyptic number.

It is an amenable number.

4250243185457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250243185457 is an equidigital number, since it uses as much as digits as its factorization.

4250243185457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 4250243185457 in words is "four trillion, two hundred fifty billion, two hundred forty-three million, one hundred eighty-five thousand, four hundred fifty-seven".