28308696349 has 8 divisors (see below), whose sum is σ = 28339353792. Its totient is φ = 28278059040.

The previous prime is 28308696341. The next prime is 28308696397. The reversal of 28308696349 is 94369680382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28308696349 - 2³ = 28308696341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28308696293 and 28308696302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28308696341) 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 7 ways as a sum of consecutive naturals, for example, 5365977 + ... + 5371249.

It is an arithmetic number, because the mean of its divisors is an integer number (3542419224).

Almost surely, 2^28308696349 is an apocalyptic number.

It is an amenable number.

28308696349 is a deficient number, since it is larger than the sum of its proper divisors (30657443).

28308696349 is a wasteful number, since it uses less digits than its factorization.

28308696349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 28308696349 in words is "twenty-eight billion, three hundred eight million, six hundred ninety-six thousand, three hundred forty-nine".