308996816109 has 16 divisors (see below), whose sum is σ = 413650879488. Its totient is φ = 205171332912.

The previous prime is 308996816087. The next prime is 308996816123. The reversal of 308996816109 is 901618699803.

It is not a de Polignac number, because 308996816109 - 2⁹ = 308996815597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308996816179) 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 in 15 ways as a sum of consecutive naturals, for example, 1095754 + ... + 1348580.

It is an arithmetic number, because the mean of its divisors is an integer number (25853179968).

Almost surely, 2^308996816109 is an apocalyptic number.

It is an amenable number.

308996816109 is a deficient number, since it is larger than the sum of its proper divisors (104654063379).

308996816109 is a wasteful number, since it uses less digits than its factorization.

308996816109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254464.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 308996816109 in words is "three hundred eight billion, nine hundred ninety-six million, eight hundred sixteen thousand, one hundred nine".