28049001123973 has 2 divisors, whose sum is σ = 28049001123974. Its totient is φ = 28049001123972.

The previous prime is 28049001123943. The next prime is 28049001124051. The reversal of 28049001123973 is 37932110094082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27541997314209 + 507003809764 = 5248047^2 + 712042^2 .

It is a cyclic number.

It is not a de Polignac number, because 28049001123973 - 2³³ = 28040411189381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28049001123943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14024500561986 + 14024500561987.

It is an arithmetic number, because the mean of its divisors is an integer number (14024500561987).

Almost surely, 2^{28049001123973} is an apocalyptic number.

It is an amenable number.

28049001123973 is a deficient number, since it is larger than the sum of its proper divisors (1).

28049001123973 is an equidigital number, since it uses as much as digits as its factorization.

28049001123973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 28049001123973 in words is "twenty-eight trillion, forty-nine billion, one million, one hundred twenty-three thousand, nine hundred seventy-three".