28346412849 has 16 divisors (see below), whose sum is σ = 38735818752. Its totient is φ = 18430150608.

The previous prime is 28346412841. The next prime is 28346412881. The reversal of 28346412849 is 94821464382.

It is not a de Polignac number, because 28346412849 - 2³ = 28346412841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28346412841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315289 + ... + 395094.

It is an arithmetic number, because the mean of its divisors is an integer number (2420988672).

Almost surely, 2^28346412849 is an apocalyptic number.

It is an amenable number.

28346412849 is a deficient number, since it is larger than the sum of its proper divisors (10389405903).

28346412849 is a wasteful number, since it uses less digits than its factorization.

28346412849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710716.

The product of its digits is 2654208, while the sum is 51.

The spelling of 28346412849 in words is "twenty-eight billion, three hundred forty-six million, four hundred twelve thousand, eight hundred forty-nine".