757044426889 has 3 divisors (see below), whose sum is σ = 757045296973. Its totient is φ = 757043556806.

The previous prime is 757044426877. The next prime is 757044426893. The reversal of 757044426889 is 988624440757.

The square root of 757044426889 is 870083.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 757044426889 - 2¹¹ = 757044424841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 757044426889.

It is not an unprimeable number, because it can be changed into a prime (757044426829) 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 2 ways as a sum of consecutive naturals, for example, 435042 + ... + 1305124.

Almost surely, 2^757044426889 is an apocalyptic number.

757044426889 is the 870083-rd square number.

757044426889 is the 435042-nd centered octagonal number.

It is an amenable number.

757044426889 is a deficient number, since it is larger than the sum of its proper divisors (870084).

757044426889 is an frugal number, since it uses more digits than its factorization.

757044426889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740166 (or 870083 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

Multiplying 757044426889 by its sum of digits (64), we get a square (48450843320896 = 6960664²).

The spelling of 757044426889 in words is "seven hundred fifty-seven billion, forty-four million, four hundred twenty-six thousand, eight hundred eighty-nine".