9703297409 has 6 divisors (see below), whose sum is σ = 10507121046. Its totient is φ = 8956889760.

The previous prime is 9703297363. The next prime is 9703297433. The reversal of 9703297409 is 9047923079.

It can be written as a sum of positive squares in 3 ways, for example, as 1638400 + 9701659009 = 1280^2 + 98497^2 .

It is not a de Polignac number, because 9703297409 - 2²⁰ = 9702248833 is a prime.

It is a super-2 number, since 2×9703297409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9703297309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28707812 + ... + 28708149.

It is an arithmetic number, because the mean of its divisors is an integer number (1751186841).

Almost surely, 2^9703297409 is an apocalyptic number.

It is an amenable number.

9703297409 is a deficient number, since it is larger than the sum of its proper divisors (803823637).

9703297409 is a wasteful number, since it uses less digits than its factorization.

9703297409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57415987 (or 57415974 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 9703297409 is about 98505.3166534680. The cubic root of 9703297409 is about 2132.9128675549.

The spelling of 9703297409 in words is "nine billion, seven hundred three million, two hundred ninety-seven thousand, four hundred nine".