173961905247413 has 2 divisors, whose sum is σ = 173961905247414. Its totient is φ = 173961905247412.

The previous prime is 173961905247349. The next prime is 173961905247439. The reversal of 173961905247413 is 314742509169371.

173961905247413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97127687094244 + 76834218153169 = 9855338^2 + 8765513^2 .

It is a cyclic number.

It is not a de Polignac number, because 173961905247413 - 2⁶ = 173961905247349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173961905247463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86980952623706 + 86980952623707.

It is an arithmetic number, because the mean of its divisors is an integer number (86980952623707).

Almost surely, 2^{173961905247413} is an apocalyptic number.

It is an amenable number.

173961905247413 is a deficient number, since it is larger than the sum of its proper divisors (1).

173961905247413 is an equidigital number, since it uses as much as digits as its factorization.

173961905247413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 173961905247413 in words is "one hundred seventy-three trillion, nine hundred sixty-one billion, nine hundred five million, two hundred forty-seven thousand, four hundred thirteen".