42841146474961 has 2 divisors, whose sum is σ = 42841146474962. Its totient is φ = 42841146474960.

The previous prime is 42841146474911. The next prime is 42841146474983. The reversal of 42841146474961 is 16947464114824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25469180890000 + 17371965584961 = 5046700^2 + 4167969^2 .

It is a cyclic number.

It is not a de Polignac number, because 42841146474961 - 2⁹ = 42841146474449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42841146474961.

It is not a weakly prime, because it can be changed into another prime (42841146474911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21420573237480 + 21420573237481.

It is an arithmetic number, because the mean of its divisors is an integer number (21420573237481).

Almost surely, 2^{42841146474961} is an apocalyptic number.

It is an amenable number.

42841146474961 is a deficient number, since it is larger than the sum of its proper divisors (1).

42841146474961 is an equidigital number, since it uses as much as digits as its factorization.

42841146474961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 61.

The spelling of 42841146474961 in words is "forty-two trillion, eight hundred forty-one billion, one hundred forty-six million, four hundred seventy-four thousand, nine hundred sixty-one".