28574600149 has 2 divisors, whose sum is σ = 28574600150. Its totient is φ = 28574600148.

The previous prime is 28574600129. The next prime is 28574600203. The reversal of 28574600149 is 94100647582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164973124 + 1409627025 = 164818^2 + 37545^2 .

It is a cyclic number.

It is not a de Polignac number, because 28574600149 - 2¹³ = 28574591957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28574600099 and 28574600108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28574600129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287300074 + 14287300075.

It is an arithmetic number, because the mean of its divisors is an integer number (14287300075).

Almost surely, 2^28574600149 is an apocalyptic number.

It is an amenable number.

28574600149 is a deficient number, since it is larger than the sum of its proper divisors (1).

28574600149 is an equidigital number, since it uses as much as digits as its factorization.

28574600149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 28574600149 in words is "twenty-eight billion, five hundred seventy-four million, six hundred thousand, one hundred forty-nine".