28914025541 has 2 divisors, whose sum is σ = 28914025542. Its totient is φ = 28914025540.

The previous prime is 28914025537. The next prime is 28914025583. The reversal of 28914025541 is 14552041982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18912025441 + 10002000100 = 137521^2 + 100010^2 .

It is a cyclic number.

It is not a de Polignac number, because 28914025541 - 2² = 28914025537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28914025141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14457012770 + 14457012771.

It is an arithmetic number, because the mean of its divisors is an integer number (14457012771).

Almost surely, 2^28914025541 is an apocalyptic number.

It is an amenable number.

28914025541 is a deficient number, since it is larger than the sum of its proper divisors (1).

28914025541 is an equidigital number, since it uses as much as digits as its factorization.

28914025541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 28914025541 in words is "twenty-eight billion, nine hundred fourteen million, twenty-five thousand, five hundred forty-one".