28545416819 has 2 divisors, whose sum is σ = 28545416820. Its totient is φ = 28545416818.

The previous prime is 28545416797. The next prime is 28545416827. The reversal of 28545416819 is 91861454582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28545416819 - 2¹⁶ = 28545351283 is a prime.

It is a super-2 number, since 2×28545416819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28545416899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272708409 + 14272708410.

It is an arithmetic number, because the mean of its divisors is an integer number (14272708410).

Almost surely, 2^28545416819 is an apocalyptic number.

28545416819 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545416819 is an equidigital number, since it uses as much as digits as its factorization.

28545416819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 53.

The spelling of 28545416819 in words is "twenty-eight billion, five hundred forty-five million, four hundred sixteen thousand, eight hundred nineteen".