28863452419 has 2 divisors, whose sum is σ = 28863452420. Its totient is φ = 28863452418.

The previous prime is 28863452393. The next prime is 28863452447. The reversal of 28863452419 is 91425436882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28863452419 - 2⁹ = 28863451907 is a prime.

It is a super-2 number, since 2×28863452419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28863452459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431726209 + 14431726210.

It is an arithmetic number, because the mean of its divisors is an integer number (14431726210).

Almost surely, 2^28863452419 is an apocalyptic number.

28863452419 is a deficient number, since it is larger than the sum of its proper divisors (1).

28863452419 is an equidigital number, since it uses as much as digits as its factorization.

28863452419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 52.

The spelling of 28863452419 in words is "twenty-eight billion, eight hundred sixty-three million, four hundred fifty-two thousand, four hundred nineteen".