321269484457 has 2 divisors, whose sum is σ = 321269484458. Its totient is φ = 321269484456.

The previous prime is 321269484449. The next prime is 321269484463. The reversal of 321269484457 is 754484962123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268838102016 + 52431382441 = 518496^2 + 228979^2 .

It is an emirp because it is prime and its reverse (754484962123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321269484457 - 2³ = 321269484449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321269484398 and 321269484407.

It is not a weakly prime, because it can be changed into another prime (321219484457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160634742228 + 160634742229.

It is an arithmetic number, because the mean of its divisors is an integer number (160634742229).

Almost surely, 2^321269484457 is an apocalyptic number.

It is an amenable number.

321269484457 is a deficient number, since it is larger than the sum of its proper divisors (1).

321269484457 is an equidigital number, since it uses as much as digits as its factorization.

321269484457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 55.

The spelling of 321269484457 in words is "three hundred twenty-one billion, two hundred sixty-nine million, four hundred eighty-four thousand, four hundred fifty-seven".