213780405259 has 2 divisors, whose sum is σ = 213780405260. Its totient is φ = 213780405258.

The previous prime is 213780405211. The next prime is 213780405271. The reversal of 213780405259 is 952504087312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213780405259 - 2²³ = 213772016651 is a prime.

It is not a weakly prime, because it can be changed into another prime (213780403259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106890202629 + 106890202630.

It is an arithmetic number, because the mean of its divisors is an integer number (106890202630).

Almost surely, 2^213780405259 is an apocalyptic number.

213780405259 is a deficient number, since it is larger than the sum of its proper divisors (1).

213780405259 is an equidigital number, since it uses as much as digits as its factorization.

213780405259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 213780405259 in words is "two hundred thirteen billion, seven hundred eighty million, four hundred five thousand, two hundred fifty-nine".