709700098969 has 9 divisors (see below), whose sum is σ = 716744919573. Its totient is φ = 702723878172.

The previous prime is 709700098963. The next prime is 709700098973. The reversal of 709700098969 is 969890007907.

The square root of 709700098969 is 842437.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 709700098969 - 2¹³ = 709700090777 is a prime.

It is a super-2 number, since 2×709700098969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 709700098969.

It is not an unprimeable number, because it can be changed into a prime (709700098963) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 86766922 + ... + 86775100.

It is an arithmetic number, because the mean of its divisors is an integer number (79638324397).

Almost surely, 2^709700098969 is an apocalyptic number.

709700098969 is the 842437-th square number.

709700098969 is the 421219-th centered octagonal number.

It is an amenable number.

709700098969 is a deficient number, since it is larger than the sum of its proper divisors (7044820604).

709700098969 is an frugal number, since it uses more digits than its factorization.

709700098969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564 (or 8282 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 64.

Multiplying 709700098969 by its sum of digits (64), we get a square (45420806334016 = 6739496²).

The spelling of 709700098969 in words is "seven hundred nine billion, seven hundred million, ninety-eight thousand, nine hundred sixty-nine".