7901144204017 has 2 divisors, whose sum is σ = 7901144204018. Its totient is φ = 7901144204016.

The previous prime is 7901144203949. The next prime is 7901144204027. The reversal of 7901144204017 is 7104024411097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7418819510001 + 482324694016 = 2723751^2 + 694496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7901144204017 is a prime.

It is not a weakly prime, because it can be changed into another prime (7901144204027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950572102008 + 3950572102009.

It is an arithmetic number, because the mean of its divisors is an integer number (3950572102009).

Almost surely, 2^{7901144204017} is an apocalyptic number.

It is an amenable number.

7901144204017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7901144204017 is an equidigital number, since it uses as much as digits as its factorization.

7901144204017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 7901144204017 in words is "seven trillion, nine hundred one billion, one hundred forty-four million, two hundred four thousand, seventeen".