3122450340409 has 2 divisors, whose sum is σ = 3122450340410. Its totient is φ = 3122450340408.

The previous prime is 3122450340379. The next prime is 3122450340473. The reversal of 3122450340409 is 9040430542213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2397232890000 + 725217450409 = 1548300^2 + 851597^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122450340409 - 2¹³ = 3122450332217 is a prime.

It is a super-2 number, since 2×3122450340409² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3122450340479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561225170204 + 1561225170205.

It is an arithmetic number, because the mean of its divisors is an integer number (1561225170205).

Almost surely, 2^{3122450340409} is an apocalyptic number.

It is an amenable number.

3122450340409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122450340409 is an equidigital number, since it uses as much as digits as its factorization.

3122450340409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 3122450340409 in words is "three trillion, one hundred twenty-two billion, four hundred fifty million, three hundred forty thousand, four hundred nine".