210340259743 has 2 divisors, whose sum is σ = 210340259744. Its totient is φ = 210340259742.

The previous prime is 210340259681. The next prime is 210340259777. The reversal of 210340259743 is 347952043012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210340259743 - 2²¹ = 210338162591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210340259696 and 210340259705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210340251743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105170129871 + 105170129872.

It is an arithmetic number, because the mean of its divisors is an integer number (105170129872).

Almost surely, 2^210340259743 is an apocalyptic number.

210340259743 is a deficient number, since it is larger than the sum of its proper divisors (1).

210340259743 is an equidigital number, since it uses as much as digits as its factorization.

210340259743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 210340259743 in words is "two hundred ten billion, three hundred forty million, two hundred fifty-nine thousand, seven hundred forty-three".