709197704197 has 2 divisors, whose sum is σ = 709197704198. Its totient is φ = 709197704196.

The previous prime is 709197704177. The next prime is 709197704249. The reversal of 709197704197 is 791407791907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697168221156 + 12029483041 = 834966^2 + 109679^2 .

It is a cyclic number.

It is not a de Polignac number, because 709197704197 - 2¹⁹ = 709197179909 is a prime.

It is a super-2 number, since 2×709197704197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709197704177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354598852098 + 354598852099.

It is an arithmetic number, because the mean of its divisors is an integer number (354598852099).

Almost surely, 2^709197704197 is an apocalyptic number.

It is an amenable number.

709197704197 is a deficient number, since it is larger than the sum of its proper divisors (1).

709197704197 is an equidigital number, since it uses as much as digits as its factorization.

709197704197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7001316, while the sum is 61.

The spelling of 709197704197 in words is "seven hundred nine billion, one hundred ninety-seven million, seven hundred four thousand, one hundred ninety-seven".