344140311424387 has 2 divisors, whose sum is σ = 344140311424388. Its totient is φ = 344140311424386.

The previous prime is 344140311424367. The next prime is 344140311424421. The reversal of 344140311424387 is 783424113041443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344140311424387 - 2²³ = 344140303035779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344140311424387.

It is not a weakly prime, because it can be changed into another prime (344140311424367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172070155712193 + 172070155712194.

It is an arithmetic number, because the mean of its divisors is an integer number (172070155712194).

Almost surely, 2^{344140311424387} is an apocalyptic number.

344140311424387 is a deficient number, since it is larger than the sum of its proper divisors (1).

344140311424387 is an equidigital number, since it uses as much as digits as its factorization.

344140311424387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 344140311424387 in words is "three hundred forty-four trillion, one hundred forty billion, three hundred eleven million, four hundred twenty-four thousand, three hundred eighty-seven".