306673363697 has 4 divisors (see below), whose sum is σ = 307070095860. Its totient is φ = 306276631536.

The previous prime is 306673363691. The next prime is 306673363729. The reversal of 306673363697 is 796363376603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796363376603 = 62207 ⋅12801829.

It can be written as a sum of positive squares in 2 ways, for example, as 80797494001 + 225875869696 = 284249^2 + 475264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306673363697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306673363691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198364922 + ... + 198366467.

It is an arithmetic number, because the mean of its divisors is an integer number (76767523965).

Almost surely, 2^306673363697 is an apocalyptic number.

It is an amenable number.

306673363697 is a deficient number, since it is larger than the sum of its proper divisors (396732163).

306673363697 is an equidigital number, since it uses as much as digits as its factorization.

306673363697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396732162.

The product of its (nonzero) digits is 46294416, while the sum is 59.

The spelling of 306673363697 in words is "three hundred six billion, six hundred seventy-three million, three hundred sixty-three thousand, six hundred ninety-seven".