716570429 has 2 divisors, whose sum is σ = 716570430. Its totient is φ = 716570428.

The previous prime is 716570423. The next prime is 716570471. The reversal of 716570429 is 924075617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 634939204 + 81631225 = 25198^2 + 9035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716570429 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 (716570423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358285214 + 358285215.

It is an arithmetic number, because the mean of its divisors is an integer number (358285215).

Almost surely, 2^716570429 is an apocalyptic number.

It is an amenable number.

716570429 is a deficient number, since it is larger than the sum of its proper divisors (1).

716570429 is an equidigital number, since it uses as much as digits as its factorization.

716570429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 716570429 is about 26768.8331647085. The cubic root of 716570429 is about 894.8556008521.

The spelling of 716570429 in words is "seven hundred sixteen million, five hundred seventy thousand, four hundred twenty-nine".