8415354973 has 2 divisors, whose sum is σ = 8415354974. Its totient is φ = 8415354972.

The previous prime is 8415354929. The next prime is 8415355021. The reversal of 8415354973 is 3794535148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5681842884 + 2733512089 = 75378^2 + 52283^2 .

It is a cyclic number.

It is not a de Polignac number, because 8415354973 - 2²¹ = 8413257821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8415354373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4207677486 + 4207677487.

It is an arithmetic number, because the mean of its divisors is an integer number (4207677487).

Almost surely, 2^8415354973 is an apocalyptic number.

It is an amenable number.

8415354973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8415354973 is an equidigital number, since it uses as much as digits as its factorization.

8415354973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 8415354973 is about 91735.2438978608. The cubic root of 8415354973 is about 2034.0305897167.

The spelling of 8415354973 in words is "eight billion, four hundred fifteen million, three hundred fifty-four thousand, nine hundred seventy-three".