1723474813 has 2 divisors, whose sum is σ = 1723474814. Its totient is φ = 1723474812.

The previous prime is 1723474799. The next prime is 1723474817. The reversal of 1723474813 is 3184743271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074397284 + 649077529 = 32778^2 + 25477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1723474813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1723474817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861737406 + 861737407.

It is an arithmetic number, because the mean of its divisors is an integer number (861737407).

Almost surely, 2^1723474813 is an apocalyptic number.

It is an amenable number.

1723474813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1723474813 is an equidigital number, since it uses as much as digits as its factorization.

1723474813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 1723474813 is about 41514.7541604187. The cubic root of 1723474813 is about 1198.9515873017.

The spelling of 1723474813 in words is "one billion, seven hundred twenty-three million, four hundred seventy-four thousand, eight hundred thirteen".