306868326549 has 4 divisors (see below), whose sum is σ = 409157768736. Its totient is φ = 204578884364.

The previous prime is 306868326521. The next prime is 306868326551. The reversal of 306868326549 is 945623868603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 306868326549 - 2⁷ = 306868326421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306868326492 and 306868326501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306868326449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51144721089 + ... + 51144721094.

It is an arithmetic number, because the mean of its divisors is an integer number (102289442184).

Almost surely, 2^306868326549 is an apocalyptic number.

It is an amenable number.

306868326549 is a deficient number, since it is larger than the sum of its proper divisors (102289442187).

306868326549 is a wasteful number, since it uses less digits than its factorization.

306868326549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102289442186.

The product of its (nonzero) digits is 44789760, while the sum is 60.

The spelling of 306868326549 in words is "three hundred six billion, eight hundred sixty-eight million, three hundred twenty-six thousand, five hundred forty-nine".