28149414863 has 2 divisors, whose sum is σ = 28149414864. Its totient is φ = 28149414862.

The previous prime is 28149414859. The next prime is 28149414899. The reversal of 28149414863 is 36841494182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28149414863 - 2² = 28149414859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28149414463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074707431 + 14074707432.

It is an arithmetic number, because the mean of its divisors is an integer number (14074707432).

Almost surely, 2^28149414863 is an apocalyptic number.

28149414863 is a deficient number, since it is larger than the sum of its proper divisors (1).

28149414863 is an equidigital number, since it uses as much as digits as its factorization.

28149414863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The spelling of 28149414863 in words is "twenty-eight billion, one hundred forty-nine million, four hundred fourteen thousand, eight hundred sixty-three".