4174561990457 has 2 divisors, whose sum is σ = 4174561990458. Its totient is φ = 4174561990456.

The previous prime is 4174561990399. The next prime is 4174561990477. The reversal of 4174561990457 is 7540991654714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2143284288016 + 2031277702441 = 1463996^2 + 1425229^2 .

It is a cyclic number.

It is not a de Polignac number, because 4174561990457 - 2³⁸ = 3899684083513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4174561990457.

It is not a weakly prime, because it can be changed into another prime (4174561990477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2087280995228 + 2087280995229.

It is an arithmetic number, because the mean of its divisors is an integer number (2087280995229).

Almost surely, 2^{4174561990457} is an apocalyptic number.

It is an amenable number.

4174561990457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4174561990457 is an equidigital number, since it uses as much as digits as its factorization.

4174561990457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 4174561990457 in words is "four trillion, one hundred seventy-four billion, five hundred sixty-one million, nine hundred ninety thousand, four hundred fifty-seven".