3123042420049 has 2 divisors, whose sum is σ = 3123042420050. Its totient is φ = 3123042420048.

The previous prime is 3123042420037. The next prime is 3123042420079. The reversal of 3123042420049 is 9400242403213.

3123042420049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1892646790225 + 1230395629824 = 1375735^2 + 1109232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123042420049 - 2¹⁵ = 3123042387281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123042419996 and 3123042420023.

It is not a weakly prime, because it can be changed into another prime (3123042420079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561521210024 + 1561521210025.

It is an arithmetic number, because the mean of its divisors is an integer number (1561521210025).

Almost surely, 2^{3123042420049} is an apocalyptic number.

It is an amenable number.

3123042420049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123042420049 is an equidigital number, since it uses as much as digits as its factorization.

3123042420049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 3123042420049 in words is "three trillion, one hundred twenty-three billion, forty-two million, four hundred twenty thousand, forty-nine".