28603527493 has 2 divisors, whose sum is σ = 28603527494. Its totient is φ = 28603527492.

The previous prime is 28603527443. The next prime is 28603527499. The reversal of 28603527493 is 39472530682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22996812609 + 5606714884 = 151647^2 + 74878^2 .

It is a cyclic number.

It is not a de Polignac number, because 28603527493 - 2¹⁷ = 28603396421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28603527499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14301763746 + 14301763747.

It is an arithmetic number, because the mean of its divisors is an integer number (14301763747).

Almost surely, 2^28603527493 is an apocalyptic number.

It is an amenable number.

28603527493 is a deficient number, since it is larger than the sum of its proper divisors (1).

28603527493 is an equidigital number, since it uses as much as digits as its factorization.

28603527493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 49.

It can be divided in two parts, 2860 and 3527493, that added together give a palindrome (3530353).

The spelling of 28603527493 in words is "twenty-eight billion, six hundred three million, five hundred twenty-seven thousand, four hundred ninety-three".