302421440142049 has 2 divisors, whose sum is σ = 302421440142050. Its totient is φ = 302421440142048.

The previous prime is 302421440142013. The next prime is 302421440142071. The reversal of 302421440142049 is 940241044124203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294600149766400 + 7821290375649 = 17163920^2 + 2796657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302421440142049 is a prime.

It is not a weakly prime, because it can be changed into another prime (302421440142149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151210720071024 + 151210720071025.

It is an arithmetic number, because the mean of its divisors is an integer number (151210720071025).

Almost surely, 2^{302421440142049} is an apocalyptic number.

It is an amenable number.

302421440142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

302421440142049 is an equidigital number, since it uses as much as digits as its factorization.

302421440142049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 302421440142049 in words is "three hundred two trillion, four hundred twenty-one billion, four hundred forty million, one hundred forty-two thousand, forty-nine".