8369091473 has 2 divisors, whose sum is σ = 8369091474. Its totient is φ = 8369091472.

The previous prime is 8369091463. The next prime is 8369091491. The reversal of 8369091473 is 3741909638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5809945729 + 2559145744 = 76223^2 + 50588^2 .

It is a cyclic number.

It is not a de Polignac number, because 8369091473 - 2¹⁴ = 8369075089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8369091433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4184545736 + 4184545737.

It is an arithmetic number, because the mean of its divisors is an integer number (4184545737).

Almost surely, 2^8369091473 is an apocalyptic number.

It is an amenable number.

8369091473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8369091473 is an equidigital number, since it uses as much as digits as its factorization.

8369091473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 8369091473 is about 91482.7386614546. The cubic root of 8369091473 is about 2030.2963703767.

The spelling of 8369091473 in words is "eight billion, three hundred sixty-nine million, ninety-one thousand, four hundred seventy-three".