1671075456241 has 2 divisors, whose sum is σ = 1671075456242. Its totient is φ = 1671075456240.

The previous prime is 1671075456157. The next prime is 1671075456263. The reversal of 1671075456241 is 1426545701761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1575223296241 + 95852160000 = 1255079^2 + 309600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671075456241 - 2⁹ = 1671075455729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1671075456541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835537728120 + 835537728121.

It is an arithmetic number, because the mean of its divisors is an integer number (835537728121).

Almost surely, 2^{1671075456241} is an apocalyptic number.

It is an amenable number.

1671075456241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671075456241 is an equidigital number, since it uses as much as digits as its factorization.

1671075456241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 1671075456241 in words is "one trillion, six hundred seventy-one billion, seventy-five million, four hundred fifty-six thousand, two hundred forty-one".