456306554173 has 2 divisors, whose sum is σ = 456306554174. Its totient is φ = 456306554172.

The previous prime is 456306554117. The next prime is 456306554203. The reversal of 456306554173 is 371455603654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451742605924 + 4563948249 = 672118^2 + 67557^2 .

It is a cyclic number.

It is not a de Polignac number, because 456306554173 - 2²⁹ = 455769683261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456306552173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228153277086 + 228153277087.

It is an arithmetic number, because the mean of its divisors is an integer number (228153277087).

Almost surely, 2^456306554173 is an apocalyptic number.

It is an amenable number.

456306554173 is a deficient number, since it is larger than the sum of its proper divisors (1).

456306554173 is an equidigital number, since it uses as much as digits as its factorization.

456306554173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 456306554173 in words is "four hundred fifty-six billion, three hundred six million, five hundred fifty-four thousand, one hundred seventy-three".