3243973757 has 4 divisors (see below), whose sum is σ = 3245884800. Its totient is φ = 3242062716.

The previous prime is 3243973753. The next prime is 3243973801. The reversal of 3243973757 is 7573793423.

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 3243973757 - 2² = 3243973753 is a prime.

It is a super-2 number, since 2×3243973757² = 21046731472209390098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243973753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952973 + ... + 956370.

It is an arithmetic number, because the mean of its divisors is an integer number (811471200).

Almost surely, 2^3243973757 is an apocalyptic number.

It is an amenable number.

3243973757 is a deficient number, since it is larger than the sum of its proper divisors (1911043).

3243973757 is a wasteful number, since it uses less digits than its factorization.

3243973757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911042.

The product of its digits is 3333960, while the sum is 50.

The square root of 3243973757 is about 56955.8930840348. The cubic root of 3243973757 is about 1480.3319435925.

The spelling of 3243973757 in words is "three billion, two hundred forty-three million, nine hundred seventy-three thousand, seven hundred fifty-seven".