28730160174433 has 2 divisors, whose sum is σ = 28730160174434. Its totient is φ = 28730160174432.

The previous prime is 28730160174431. The next prime is 28730160174461. The reversal of 28730160174433 is 33447106103782.

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., 18518760975649 + 10211399198784 = 4303343^2 + 3195528^2 .

It is a cyclic number.

It is not a de Polignac number, because 28730160174433 - 2¹ = 28730160174431 is a prime.

Together with 28730160174431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28730160174431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14365080087216 + 14365080087217.

It is an arithmetic number, because the mean of its divisors is an integer number (14365080087217).

Almost surely, 2^{28730160174433} is an apocalyptic number.

It is an amenable number.

28730160174433 is a deficient number, since it is larger than the sum of its proper divisors (1).

28730160174433 is an equidigital number, since it uses as much as digits as its factorization.

28730160174433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 28730160174433 in words is "twenty-eight trillion, seven hundred thirty billion, one hundred sixty million, one hundred seventy-four thousand, four hundred thirty-three".