321471272453 has 8 divisors (see below), whose sum is σ = 334682423448. Its totient is φ = 308498160384.

The previous prime is 321471272387. The next prime is 321471272477. The reversal of 321471272453 is 354272174123.

It can be written as a sum of positive squares in 4 ways, for example, as 81511392004 + 239959880449 = 285502^2 + 489857^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321471272453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321471272453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321471172453) 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, 59506976 + ... + 59512377.

It is an arithmetic number, because the mean of its divisors is an integer number (41835302931).

Almost surely, 2^321471272453 is an apocalyptic number.

It is an amenable number.

321471272453 is a deficient number, since it is larger than the sum of its proper divisors (13211150995).

321471272453 is a wasteful number, since it uses less digits than its factorization.

321471272453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119019463.

The product of its digits is 282240, while the sum is 41.

The spelling of 321471272453 in words is "three hundred twenty-one billion, four hundred seventy-one million, two hundred seventy-two thousand, four hundred fifty-three".