28714647361 has 2 divisors, whose sum is σ = 28714647362. Its totient is φ = 28714647360.

The previous prime is 28714647341. The next prime is 28714647397. The reversal of 28714647361 is 16374641782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24025000000 + 4689647361 = 155000^2 + 68481^2 .

It is a cyclic number.

It is not a de Polignac number, because 28714647361 - 2¹³ = 28714639169 is a prime.

It is not a weakly prime, because it can be changed into another prime (28714647341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14357323680 + 14357323681.

It is an arithmetic number, because the mean of its divisors is an integer number (14357323681).

Almost surely, 2^28714647361 is an apocalyptic number.

It is an amenable number.

28714647361 is a deficient number, since it is larger than the sum of its proper divisors (1).

28714647361 is an equidigital number, since it uses as much as digits as its factorization.

28714647361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 49.

The spelling of 28714647361 in words is "twenty-eight billion, seven hundred fourteen million, six hundred forty-seven thousand, three hundred sixty-one".