28963183969 has 2 divisors, whose sum is σ = 28963183970. Its totient is φ = 28963183968.

The previous prime is 28963183927. The next prime is 28963183973. The reversal of 28963183969 is 96938136982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24051977569 + 4911206400 = 155087^2 + 70080^2 .

It is a cyclic number.

It is not a de Polignac number, because 28963183969 - 2⁷ = 28963183841 is a prime.

It is a super-2 number, since 2×28963183969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28963183969.

It is not a weakly prime, because it can be changed into another prime (28963180969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14481591984 + 14481591985.

It is an arithmetic number, because the mean of its divisors is an integer number (14481591985).

Almost surely, 2^28963183969 is an apocalyptic number.

It is an amenable number.

28963183969 is a deficient number, since it is larger than the sum of its proper divisors (1).

28963183969 is an equidigital number, since it uses as much as digits as its factorization.

28963183969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 64.

The spelling of 28963183969 in words is "twenty-eight billion, nine hundred sixty-three million, one hundred eighty-three thousand, nine hundred sixty-nine".