9701659009 has 9 divisors (see below), whose sum is σ = 11286405441. Its totient is φ = 8315116740.

The previous prime is 9701658997. The next prime is 9701659021. The reversal of 9701659009 is 9009561079.

The square root of 9701659009 is 98497.

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

It is an interprime number because it is at equal distance from previous prime (9701658997) and next prime (9701659021).

It is not a de Polignac number, because 9701659009 - 2⁷ = 9701658881 is a prime.

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 9701659009.

It is not an unprimeable number, because it can be changed into a prime (9701659039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 682444 + ... + 696514.

It is an arithmetic number, because the mean of its divisors is an integer number (1254045049).

Almost surely, 2^9701659009 is an apocalyptic number.

9701659009 is the 98497-th square number.

9701659009 is the 49249-th centered octagonal number.

It is an amenable number.

9701659009 is a deficient number, since it is larger than the sum of its proper divisors (1584746432).

9701659009 is an frugal number, since it uses more digits than its factorization.

9701659009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28156 (or 14078 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The cubic root of 9701659009 is about 2132.7928134812.

It can be divided in two parts, 97016 and 59009, that added together give a square (156025 = 395²).

The spelling of 9701659009 in words is "nine billion, seven hundred one million, six hundred fifty-nine thousand, nine".