340023334400249 has 2 divisors, whose sum is σ = 340023334400250. Its totient is φ = 340023334400248.

The previous prime is 340023334400221. The next prime is 340023334400287. The reversal of 340023334400249 is 942004433320043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253385270886400 + 86638063513849 = 15918080^2 + 9307957^2 .

It is an emirp because it is prime and its reverse (942004433320043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340023334400249 - 2¹⁶ = 340023334334713 is a prime.

It is not a weakly prime, because it can be changed into another prime (340023334400219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170011667200124 + 170011667200125.

It is an arithmetic number, because the mean of its divisors is an integer number (170011667200125).

Almost surely, 2^{340023334400249} is an apocalyptic number.

It is an amenable number.

340023334400249 is a deficient number, since it is larger than the sum of its proper divisors (1).

340023334400249 is an equidigital number, since it uses as much as digits as its factorization.

340023334400249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 41.

The spelling of 340023334400249 in words is "three hundred forty trillion, twenty-three billion, three hundred thirty-four million, four hundred thousand, two hundred forty-nine".