306340212499 has 2 divisors, whose sum is σ = 306340212500. Its totient is φ = 306340212498.

The previous prime is 306340212473. The next prime is 306340212533. The reversal of 306340212499 is 994212043603.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306340212499 is a prime.

It is not a weakly prime, because it can be changed into another prime (306340212599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153170106249 + 153170106250.

It is an arithmetic number, because the mean of its divisors is an integer number (153170106250).

Almost surely, 2^306340212499 is an apocalyptic number.

306340212499 is a deficient number, since it is larger than the sum of its proper divisors (1).

306340212499 is an equidigital number, since it uses as much as digits as its factorization.

306340212499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 306340212499 in words is "three hundred six billion, three hundred forty million, two hundred twelve thousand, four hundred ninety-nine".