7317451873 has 2 divisors, whose sum is σ = 7317451874. Its totient is φ = 7317451872.

The previous prime is 7317451871. The next prime is 7317451877. The reversal of 7317451873 is 3781547137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3791111184 + 3526340689 = 61572^2 + 59383^2 .

It is a cyclic number.

It is not a de Polignac number, because 7317451873 - 2¹ = 7317451871 is a prime.

Together with 7317451871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7317451871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658725936 + 3658725937.

It is an arithmetic number, because the mean of its divisors is an integer number (3658725937).

Almost surely, 2^7317451873 is an apocalyptic number.

It is an amenable number.

7317451873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317451873 is an equidigital number, since it uses as much as digits as its factorization.

7317451873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 7317451873 is about 85542.1058485235. The cubic root of 7317451873 is about 1941.4220516474.

The spelling of 7317451873 in words is "seven billion, three hundred seventeen million, four hundred fifty-one thousand, eight hundred seventy-three".