4505431602673 has 24 divisors (see below), whose sum is σ = 4885313506920. Its totient is φ = 4149777730560.

The previous prime is 4505431602649. The next prime is 4505431602713. The reversal of 4505431602673 is 3762061345054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 166180153104 + 4339251449569 = 407652^2 + 2083087^2 .

It is not a de Polignac number, because 4505431602673 - 2³⁷ = 4367992649201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4505431602773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5328513 + ... + 6115873.

It is an arithmetic number, because the mean of its divisors is an integer number (203554729455).

Almost surely, 2^{4505431602673} is an apocalyptic number.

It is an amenable number.

4505431602673 is a deficient number, since it is larger than the sum of its proper divisors (379881904247).

4505431602673 is a wasteful number, since it uses less digits than its factorization.

4505431602673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787809 (or 787786 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 4505431602673 in words is "four trillion, five hundred five billion, four hundred thirty-one million, six hundred two thousand, six hundred seventy-three".