28603374091 has 2 divisors, whose sum is σ = 28603374092. Its totient is φ = 28603374090.

The previous prime is 28603374061. The next prime is 28603374113. The reversal of 28603374091 is 19047330682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28603374091 is a prime.

It is not a weakly prime, because it can be changed into another prime (28603374001) 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, 14301687045 + 14301687046.

It is an arithmetic number, because the mean of its divisors is an integer number (14301687046).

Almost surely, 2^28603374091 is an apocalyptic number.

28603374091 is a deficient number, since it is larger than the sum of its proper divisors (1).

28603374091 is an equidigital number, since it uses as much as digits as its factorization.

28603374091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 28603374091 in words is "twenty-eight billion, six hundred three million, three hundred seventy-four thousand, ninety-one".