321052142525069 has 2 divisors, whose sum is σ = 321052142525070. Its totient is φ = 321052142525068.

The previous prime is 321052142525029. The next prime is 321052142525117. The reversal of 321052142525069 is 960525241250123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272602719169225 + 48449423355844 = 16510685^2 + 6960562^2 .

It is a cyclic number.

It is not a de Polignac number, because 321052142525069 - 2¹⁶ = 321052142459533 is a prime.

It is a super-2 number, since 2×321052142525069² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321052142525029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160526071262534 + 160526071262535.

It is an arithmetic number, because the mean of its divisors is an integer number (160526071262535).

Almost surely, 2^{321052142525069} is an apocalyptic number.

It is an amenable number.

321052142525069 is a deficient number, since it is larger than the sum of its proper divisors (1).

321052142525069 is an equidigital number, since it uses as much as digits as its factorization.

321052142525069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 321052142525069 in words is "three hundred twenty-one trillion, fifty-two billion, one hundred forty-two million, five hundred twenty-five thousand, sixty-nine".