4278073025441 has 2 divisors, whose sum is σ = 4278073025442. Its totient is φ = 4278073025440.

The previous prime is 4278073025353. The next prime is 4278073025503. The reversal of 4278073025441 is 1445203708724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4154242934416 + 123830091025 = 2038196^2 + 351895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278073025441 - 2¹⁰ = 4278073024417 is a prime.

It is a super-2 number, since 2×4278073025441² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4278073025341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139036512720 + 2139036512721.

It is an arithmetic number, because the mean of its divisors is an integer number (2139036512721).

Almost surely, 2^{4278073025441} is an apocalyptic number.

It is an amenable number.

4278073025441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278073025441 is an equidigital number, since it uses as much as digits as its factorization.

4278073025441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 4278073025441 in words is "four trillion, two hundred seventy-eight billion, seventy-three million, twenty-five thousand, four hundred forty-one".