873493429 has 2 divisors, whose sum is σ = 873493430. Its totient is φ = 873493428.

The previous prime is 873493421. The next prime is 873493463. The reversal of 873493429 is 924394378.

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., 821682225 + 51811204 = 28665^2 + 7198^2 .

It is a cyclic number.

It is not a de Polignac number, because 873493429 - 2³ = 873493421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873493421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436746714 + 436746715.

It is an arithmetic number, because the mean of its divisors is an integer number (436746715).

Almost surely, 2^873493429 is an apocalyptic number.

It is an amenable number.

873493429 is a deficient number, since it is larger than the sum of its proper divisors (1).

873493429 is an equidigital number, since it uses as much as digits as its factorization.

873493429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 873493429 is about 29554.9222465565. The cubic root of 873493429 is about 955.9163299993.

The spelling of 873493429 in words is "eight hundred seventy-three million, four hundred ninety-three thousand, four hundred twenty-nine".