213830303639 has 2 divisors, whose sum is σ = 213830303640. Its totient is φ = 213830303638.

The previous prime is 213830303587. The next prime is 213830303693. The reversal of 213830303639 is 936303038312.

Together with next prime (213830303693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213830303639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213830303596 and 213830303605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213830303699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106915151819 + 106915151820.

It is an arithmetic number, because the mean of its divisors is an integer number (106915151820).

Almost surely, 2^213830303639 is an apocalyptic number.

213830303639 is a deficient number, since it is larger than the sum of its proper divisors (1).

213830303639 is an equidigital number, since it uses as much as digits as its factorization.

213830303639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 213830303639 in words is "two hundred thirteen billion, eight hundred thirty million, three hundred three thousand, six hundred thirty-nine".