449935961173 has 2 divisors, whose sum is σ = 449935961174. Its totient is φ = 449935961172.

The previous prime is 449935961149. The next prime is 449935961177. The reversal of 449935961173 is 371169539944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437029410724 + 12906550449 = 661082^2 + 113607^2 .

It is a cyclic number.

It is not a de Polignac number, because 449935961173 - 2¹³ = 449935952981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449935961177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224967980586 + 224967980587.

It is an arithmetic number, because the mean of its divisors is an integer number (224967980587).

Almost surely, 2^449935961173 is an apocalyptic number.

It is an amenable number.

449935961173 is a deficient number, since it is larger than the sum of its proper divisors (1).

449935961173 is an equidigital number, since it uses as much as digits as its factorization.

449935961173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 61.

The spelling of 449935961173 in words is "four hundred forty-nine billion, nine hundred thirty-five million, nine hundred sixty-one thousand, one hundred seventy-three".