28195842093 has 16 divisors (see below), whose sum is σ = 38934966720. Its totient is φ = 18128444544.

The previous prime is 28195842049. The next prime is 28195842121. The reversal of 28195842093 is 39024859182.

It is not a de Polignac number, because 28195842093 - 2⁶ = 28195842029 is a prime.

It is a super-2 number, since 2×28195842093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28195882093) 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, 106696 + ... + 260337.

It is an arithmetic number, because the mean of its divisors is an integer number (2433435420).

Almost surely, 2^28195842093 is an apocalyptic number.

It is an amenable number.

28195842093 is a deficient number, since it is larger than the sum of its proper divisors (10739124627).

28195842093 is a wasteful number, since it uses less digits than its factorization.

28195842093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367948.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 28195842093 in words is "twenty-eight billion, one hundred ninety-five million, eight hundred forty-two thousand, ninety-three".