757243342757 has 4 divisors (see below), whose sum is σ = 826083646656. Its totient is φ = 688403038860.

The previous prime is 757243342733. The next prime is 757243342813.

757243342757 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-757243342757 is a prime.

It is a super-2 number, since 2×757243342757² (a number of 25 digits) 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 (757243342057) 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, 34420151933 + ... + 34420151954.

It is an arithmetic number, because the mean of its divisors is an integer number (206520911664).

Almost surely, 2^757243342757 is an apocalyptic number.

It is an amenable number.

757243342757 is a deficient number, since it is larger than the sum of its proper divisors (68840303899).

757243342757 is a wasteful number, since it uses less digits than its factorization.

757243342757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68840303898.

The product of its digits is 34574400, while the sum is 56.

The spelling of 757243342757 in words is "seven hundred fifty-seven billion, two hundred forty-three million, three hundred forty-two thousand, seven hundred fifty-seven".