321002040320249 has 2 divisors, whose sum is σ = 321002040320250. Its totient is φ = 321002040320248.

The previous prime is 321002040320233. The next prime is 321002040320369. The reversal of 321002040320249 is 942023040200123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318199238659600 + 2802801660649 = 17838140^2 + 1674157^2 .

It is a cyclic number.

It is not a de Polignac number, because 321002040320249 - 2⁴ = 321002040320233 is a prime.

It is not a weakly prime, because it can be changed into another prime (321002040325249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160501020160124 + 160501020160125.

It is an arithmetic number, because the mean of its divisors is an integer number (160501020160125).

Almost surely, 2^{321002040320249} is an apocalyptic number.

It is an amenable number.

321002040320249 is a deficient number, since it is larger than the sum of its proper divisors (1).

321002040320249 is an equidigital number, since it uses as much as digits as its factorization.

321002040320249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 321002040320249 in words is "three hundred twenty-one trillion, two billion, forty million, three hundred twenty thousand, two hundred forty-nine".