28353849037 has 4 divisors (see below), whose sum is σ = 28695461760. Its totient is φ = 28012236316.

The previous prime is 28353849031. The next prime is 28353849047. The reversal of 28353849037 is 73094835382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28353849037 - 2⁷ = 28353848909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28353849031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170806237 + ... + 170806402.

It is an arithmetic number, because the mean of its divisors is an integer number (7173865440).

Almost surely, 2^28353849037 is an apocalyptic number.

It is an amenable number.

28353849037 is a deficient number, since it is larger than the sum of its proper divisors (341612723).

28353849037 is an equidigital number, since it uses as much as digits as its factorization.

28353849037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341612722.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 28353849037 in words is "twenty-eight billion, three hundred fifty-three million, eight hundred forty-nine thousand, thirty-seven".