4130221243457 has 2 divisors, whose sum is σ = 4130221243458. Its totient is φ = 4130221243456.

The previous prime is 4130221243439. The next prime is 4130221243501. The reversal of 4130221243457 is 7543421220314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294849295376 + 1835371948081 = 1514876^2 + 1354759^2 .

It is a cyclic number.

It is not a de Polignac number, because 4130221243457 - 2⁸ = 4130221243201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4130221243457.

It is not a weakly prime, because it can be changed into another prime (4130221243657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065110621728 + 2065110621729.

It is an arithmetic number, because the mean of its divisors is an integer number (2065110621729).

Almost surely, 2^{4130221243457} is an apocalyptic number.

It is an amenable number.

4130221243457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4130221243457 is an equidigital number, since it uses as much as digits as its factorization.

4130221243457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 4130221243457 in words is "four trillion, one hundred thirty billion, two hundred twenty-one million, two hundred forty-three thousand, four hundred fifty-seven".