309085949108 has 24 divisors (see below), whose sum is σ = 571000332000. Its totient is φ = 145989610848.

The previous prime is 309085949101. The next prime is 309085949113. The reversal of 309085949108 is 801949580903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309085949101) 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 7 ways as a sum of consecutive naturals, for example, 5800010 + ... + 5853057.

It is an arithmetic number, because the mean of its divisors is an integer number (23791680500).

Almost surely, 2^309085949108 is an apocalyptic number.

309085949108 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

309085949108 is a deficient number, since it is larger than the sum of its proper divisors (261914382892).

309085949108 is a wasteful number, since it uses less digits than its factorization.

309085949108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11653439 (or 11653437 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 309085949108 in words is "three hundred nine billion, eighty-five million, nine hundred forty-nine thousand, one hundred eight".