3972096908309 has 4 divisors (see below), whose sum is σ = 3995881919904. Its totient is φ = 3948311896716.

The previous prime is 3972096908239. The next prime is 3972096908327. The reversal of 3972096908309 is 9038096902793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3972096908309 - 2²⁴ = 3972080131093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972096908369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11892505547 + ... + 11892505880.

It is an arithmetic number, because the mean of its divisors is an integer number (998970479976).

Almost surely, 2^{3972096908309} is an apocalyptic number.

It is an amenable number.

3972096908309 is a deficient number, since it is larger than the sum of its proper divisors (23785011595).

3972096908309 is a wasteful number, since it uses less digits than its factorization.

3972096908309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23785011594.

The product of its (nonzero) digits is 39680928, while the sum is 65.

The spelling of 3972096908309 in words is "three trillion, nine hundred seventy-two billion, ninety-six million, nine hundred eight thousand, three hundred nine".