4451505045173 has 2 divisors, whose sum is σ = 4451505045174. Its totient is φ = 4451505045172.

The previous prime is 4451505045121. The next prime is 4451505045187. The reversal of 4451505045173 is 3715405051544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3654302494129 + 797202551044 = 1911623^2 + 892862^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451505045173 - 2¹⁰ = 4451505044149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4451505045193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225752522586 + 2225752522587.

It is an arithmetic number, because the mean of its divisors is an integer number (2225752522587).

Almost surely, 2^{4451505045173} is an apocalyptic number.

It is an amenable number.

4451505045173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451505045173 is an equidigital number, since it uses as much as digits as its factorization.

4451505045173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 4451505045173 in words is "four trillion, four hundred fifty-one billion, five hundred five million, forty-five thousand, one hundred seventy-three".