28995750449 has 2 divisors, whose sum is σ = 28995750450. Its totient is φ = 28995750448.

The previous prime is 28995750403. The next prime is 28995750463. The reversal of 28995750449 is 94405759982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28886401600 + 109348849 = 169960^2 + 10457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28995750449 is a prime.

It is a super-3 number, since 3×28995750449³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28995750391 and 28995750400.

It is not a weakly prime, because it can be changed into another prime (28995750349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14497875224 + 14497875225.

It is an arithmetic number, because the mean of its divisors is an integer number (14497875225).

Almost surely, 2^28995750449 is an apocalyptic number.

It is an amenable number.

28995750449 is a deficient number, since it is larger than the sum of its proper divisors (1).

28995750449 is an equidigital number, since it uses as much as digits as its factorization.

28995750449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 28995750449 in words is "twenty-eight billion, nine hundred ninety-five million, seven hundred fifty thousand, four hundred forty-nine".