245342323421473 has 2 divisors, whose sum is σ = 245342323421474. Its totient is φ = 245342323421472.

The previous prime is 245342323421441. The next prime is 245342323421599. The reversal of 245342323421473 is 374124323243542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196574336127009 + 48767987294464 = 14020497^2 + 6983408^2 .

It is a cyclic number.

It is not a de Polignac number, because 245342323421473 - 2⁵ = 245342323421441 is a prime.

It is not a weakly prime, because it can be changed into another prime (245342323421423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671161710736 + 122671161710737.

It is an arithmetic number, because the mean of its divisors is an integer number (122671161710737).

Almost surely, 2^{245342323421473} is an apocalyptic number.

It is an amenable number.

245342323421473 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342323421473 is an equidigital number, since it uses as much as digits as its factorization.

245342323421473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 49.

The spelling of 245342323421473 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred twenty-three million, four hundred twenty-one thousand, four hundred seventy-three".