28042330903 has 2 divisors, whose sum is σ = 28042330904. Its totient is φ = 28042330902.

The previous prime is 28042330891. The next prime is 28042330997. The reversal of 28042330903 is 30903324082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28042330903 - 2²¹ = 28040233751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28042330103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14021165451 + 14021165452.

It is an arithmetic number, because the mean of its divisors is an integer number (14021165452).

Almost surely, 2^28042330903 is an apocalyptic number.

28042330903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28042330903 is an equidigital number, since it uses as much as digits as its factorization.

28042330903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 28042330903 its reverse (30903324082), we get a palindrome (58945654985).

The spelling of 28042330903 in words is "twenty-eight billion, forty-two million, three hundred thirty thousand, nine hundred three".