28939851503 has 2 divisors, whose sum is σ = 28939851504. Its totient is φ = 28939851502.

The previous prime is 28939851469. The next prime is 28939851527. The reversal of 28939851503 is 30515893982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28939851503 - 2¹⁰ = 28939850479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28939851203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14469925751 + 14469925752.

It is an arithmetic number, because the mean of its divisors is an integer number (14469925752).

Almost surely, 2^28939851503 is an apocalyptic number.

28939851503 is a deficient number, since it is larger than the sum of its proper divisors (1).

28939851503 is an equidigital number, since it uses as much as digits as its factorization.

28939851503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 28939851503 in words is "twenty-eight billion, nine hundred thirty-nine million, eight hundred fifty-one thousand, five hundred three".