213070829579 has 2 divisors, whose sum is σ = 213070829580. Its totient is φ = 213070829578.

The previous prime is 213070829549. The next prime is 213070829581. The reversal of 213070829579 is 975928070312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213070829579 is a prime.

It is a super-2 number, since 2×213070829579² (a number of 23 digits) contains 22 as substring.

Together with 213070829581, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213070829579.

It is not a weakly prime, because it can be changed into another prime (213070829539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106535414789 + 106535414790.

It is an arithmetic number, because the mean of its divisors is an integer number (106535414790).

Almost surely, 2^213070829579 is an apocalyptic number.

213070829579 is a deficient number, since it is larger than the sum of its proper divisors (1).

213070829579 is an equidigital number, since it uses as much as digits as its factorization.

213070829579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 213070829579 in words is "two hundred thirteen billion, seventy million, eight hundred twenty-nine thousand, five hundred seventy-nine".