605423721448873 has 8 divisors (see below), whose sum is σ = 620986722021000. Its totient is φ = 590014050931968.

The previous prime is 605423721448841. The next prime is 605423721448877. The reversal of 605423721448873 is 378844127324506.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29225560408489 + 576198161040384 = 5406067^2 + 24004128^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 605423721448873 - 2⁵ = 605423721448841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605423721448877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38332505808 + ... + 38332521601.

It is an arithmetic number, because the mean of its divisors is an integer number (77623340252625).

Almost surely, 2^{605423721448873} is an apocalyptic number.

It is an amenable number.

605423721448873 is a deficient number, since it is larger than the sum of its proper divisors (15563000572127).

605423721448873 is a wasteful number, since it uses less digits than its factorization.

605423721448873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76665027611.

The product of its (nonzero) digits is 216760320, while the sum is 64.

The spelling of 605423721448873 in words is "six hundred five trillion, four hundred twenty-three billion, seven hundred twenty-one million, four hundred forty-eight thousand, eight hundred seventy-three".