321473335551325 has 12 divisors (see below), whose sum is σ = 399809805340660. Its totient is φ = 256415526984960.

The previous prime is 321473335551323. The next prime is 321473335551343. The reversal of 321473335551325 is 523155533374123.

It can be written as a sum of positive squares in 6 ways, for example, as 97261134755236 + 224212200796089 = 9862106^2 + 14973717^2 .

It is not a de Polignac number, because 321473335551325 - 2¹ = 321473335551323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321473335551323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19078527810 + ... + 19078544659.

Almost surely, 2^{321473335551325} is an apocalyptic number.

It is an amenable number.

321473335551325 is a deficient number, since it is larger than the sum of its proper divisors (78336469789335).

321473335551325 is a wasteful number, since it uses less digits than its factorization.

321473335551325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38157072816 (or 38157072811 counting only the distinct ones).

The product of its digits is 17010000, while the sum is 52.

The spelling of 321473335551325 in words is "three hundred twenty-one trillion, four hundred seventy-three billion, three hundred thirty-five million, five hundred fifty-one thousand, three hundred twenty-five".