340503848449 has 2 divisors, whose sum is σ = 340503848450. Its totient is φ = 340503848448.

The previous prime is 340503848383. The next prime is 340503848453. The reversal of 340503848449 is 944848305043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332920922049 + 7582926400 = 576993^2 + 87080^2 .

It is a cyclic number.

It is not a de Polignac number, because 340503848449 - 2¹¹ = 340503846401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340503848396 and 340503848405.

It is not a weakly prime, because it can be changed into another prime (340503848479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170251924224 + 170251924225.

It is an arithmetic number, because the mean of its divisors is an integer number (170251924225).

Almost surely, 2^340503848449 is an apocalyptic number.

It is an amenable number.

340503848449 is a deficient number, since it is larger than the sum of its proper divisors (1).

340503848449 is an equidigital number, since it uses as much as digits as its factorization.

340503848449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 340503848449 in words is "three hundred forty billion, five hundred three million, eight hundred forty-eight thousand, four hundred forty-nine".