28734953017 has 2 divisors, whose sum is σ = 28734953018. Its totient is φ = 28734953016.

The previous prime is 28734952979. The next prime is 28734953047. The reversal of 28734953017 is 71035943782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23158448041 + 5576504976 = 152179^2 + 74676^2 .

It is a cyclic number.

It is not a de Polignac number, because 28734953017 - 2¹¹ = 28734950969 is a prime.

It is not a weakly prime, because it can be changed into another prime (28734953047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14367476508 + 14367476509.

It is an arithmetic number, because the mean of its divisors is an integer number (14367476509).

Almost surely, 2^28734953017 is an apocalyptic number.

It is an amenable number.

28734953017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28734953017 is an equidigital number, since it uses as much as digits as its factorization.

28734953017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 28734953017 in words is "twenty-eight billion, seven hundred thirty-four million, nine hundred fifty-three thousand, seventeen".