2097309193409 has 8 divisors (see below), whose sum is σ = 2099936493288. Its totient is φ = 2094683437440.

The previous prime is 2097309193403. The next prime is 2097309193417. The reversal of 2097309193409 is 9043919037902.

It can be written as a sum of positive squares in 4 ways, for example, as 514443259009 + 1582865934400 = 717247^2 + 1258120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2097309193409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097309193403) 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 in 7 ways as a sum of consecutive naturals, for example, 2344679 + ... + 3113219.

It is an arithmetic number, because the mean of its divisors is an integer number (262492061661).

Almost surely, 2^{2097309193409} is an apocalyptic number.

It is an amenable number.

2097309193409 is a deficient number, since it is larger than the sum of its proper divisors (2627299879).

2097309193409 is a wasteful number, since it uses less digits than its factorization.

2097309193409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771955.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 2097309193409 in words is "two trillion, ninety-seven billion, three hundred nine million, one hundred ninety-three thousand, four hundred nine".