3097728443 has 4 divisors (see below), whose sum is σ = 3126148080. Its totient is φ = 3069308808.

The previous prime is 3097728419. The next prime is 3097728449. The reversal of 3097728443 is 3448277903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3448277903 = 7 ⋅492611129.

It is a cyclic number.

It is not a de Polignac number, because 3097728443 - 2⁶ = 3097728379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3097728449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14209655 + ... + 14209872.

It is an arithmetic number, because the mean of its divisors is an integer number (781537020).

Almost surely, 2^3097728443 is an apocalyptic number.

3097728443 is a deficient number, since it is larger than the sum of its proper divisors (28419637).

3097728443 is a wasteful number, since it uses less digits than its factorization.

3097728443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419636.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 3097728443 is about 55657.2407059495. The cubic root of 3097728443 is about 1457.7435029238.

The spelling of 3097728443 in words is "three billion, ninety-seven million, seven hundred twenty-eight thousand, four hundred forty-three".