340642031263 has 2 divisors, whose sum is σ = 340642031264. Its totient is φ = 340642031262.

The previous prime is 340642031239. The next prime is 340642031321. The reversal of 340642031263 is 362130246043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340642031263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340642038263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170321015631 + 170321015632.

It is an arithmetic number, because the mean of its divisors is an integer number (170321015632).

Almost surely, 2^340642031263 is an apocalyptic number.

340642031263 is a deficient number, since it is larger than the sum of its proper divisors (1).

340642031263 is an equidigital number, since it uses as much as digits as its factorization.

340642031263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 340642031263 in words is "three hundred forty billion, six hundred forty-two million, thirty-one thousand, two hundred sixty-three".