28948718741 has 2 divisors, whose sum is σ = 28948718742. Its totient is φ = 28948718740.

The previous prime is 28948718693. The next prime is 28948718761. The reversal of 28948718741 is 14781784982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21234609841 + 7714108900 = 145721^2 + 87830^2 .

It is a cyclic number.

It is not a de Polignac number, because 28948718741 - 2¹⁰ = 28948717717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28948718761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14474359370 + 14474359371.

It is an arithmetic number, because the mean of its divisors is an integer number (14474359371).

Almost surely, 2^28948718741 is an apocalyptic number.

It is an amenable number.

28948718741 is a deficient number, since it is larger than the sum of its proper divisors (1).

28948718741 is an equidigital number, since it uses as much as digits as its factorization.

28948718741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7225344, while the sum is 59.

The spelling of 28948718741 in words is "twenty-eight billion, nine hundred forty-eight million, seven hundred eighteen thousand, seven hundred forty-one".