709480129 has 2 divisors, whose sum is σ = 709480130. Its totient is φ = 709480128.

The previous prime is 709480127. The next prime is 709480139. The reversal of 709480129 is 921084907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683927104 + 25553025 = 26152^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 709480129 - 2¹ = 709480127 is a prime.

Together with 709480127, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 709480091 and 709480100.

It is not a weakly prime, because it can be changed into another prime (709480127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354740064 + 354740065.

It is an arithmetic number, because the mean of its divisors is an integer number (354740065).

Almost surely, 2^709480129 is an apocalyptic number.

It is an amenable number.

709480129 is a deficient number, since it is larger than the sum of its proper divisors (1).

709480129 is an equidigital number, since it uses as much as digits as its factorization.

709480129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 709480129 is about 26636.0681970894. The cubic root of 709480129 is about 891.8943486745.

The spelling of 709480129 in words is "seven hundred nine million, four hundred eighty thousand, one hundred twenty-nine".