28556035892939 has 2 divisors, whose sum is σ = 28556035892940. Its totient is φ = 28556035892938.

The previous prime is 28556035892903. The next prime is 28556035892963. The reversal of 28556035892939 is 93929853065582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28556035892939 is a prime.

It is not a weakly prime, because it can be changed into another prime (28556035822939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14278017946469 + 14278017946470.

It is an arithmetic number, because the mean of its divisors is an integer number (14278017946470).

Almost surely, 2^{28556035892939} is an apocalyptic number.

28556035892939 is a deficient number, since it is larger than the sum of its proper divisors (1).

28556035892939 is an equidigital number, since it uses as much as digits as its factorization.

28556035892939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712000, while the sum is 74.

The spelling of 28556035892939 in words is "twenty-eight trillion, five hundred fifty-six billion, thirty-five million, eight hundred ninety-two thousand, nine hundred thirty-nine".