2505438318326 has 8 divisors (see below), whose sum is σ = 3786845702904. Its totient is φ = 1243156417360.

The previous prime is 2505438318263. The next prime is 2505438318343. The reversal of 2505438318326 is 6238138345052.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781370575 + ... + 4781371098.

It is an arithmetic number, because the mean of its divisors is an integer number (473355712863).

Almost surely, 2^{2505438318326} is an apocalyptic number.

2505438318326 is a deficient number, since it is larger than the sum of its proper divisors (1281407384578).

2505438318326 is a wasteful number, since it uses less digits than its factorization.

2505438318326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562741806.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 2505438318326 in words is "two trillion, five hundred five billion, four hundred thirty-eight million, three hundred eighteen thousand, three hundred twenty-six".