1344680243 has 2 divisors, whose sum is σ = 1344680244. Its totient is φ = 1344680242.

The previous prime is 1344680237. The next prime is 1344680287. The reversal of 1344680243 is 3420864431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344680243 - 2²⁸ = 1076244787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344683243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672340121 + 672340122.

It is an arithmetic number, because the mean of its divisors is an integer number (672340122).

Almost surely, 2^1344680243 is an apocalyptic number.

1344680243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344680243 is an equidigital number, since it uses as much as digits as its factorization.

1344680243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 1344680243 is about 36669.8819605409. The cubic root of 1344680243 is about 1103.7558235605.

The spelling of 1344680243 in words is "one billion, three hundred forty-four million, six hundred eighty thousand, two hundred forty-three".