765070350489 has 15 divisors (see below), whose sum is σ = 1142894628997. Its totient is φ = 510041652228.

The previous prime is 765070350487. The next prime is 765070350521. The reversal of 765070350489 is 984053070567.

The square root of 765070350489 is 874683.

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

765070350489 is a `hidden beast` number, since 7 + 6 + 50 + 7 + 0 + 3 + 504 + 89 = 666.

It is not a de Polignac number, because 765070350489 - 2¹ = 765070350487 is a prime.

It is a super-2 number, since 2×765070350489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (765070350487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7823554 + ... + 7920740.

Almost surely, 2^765070350489 is an apocalyptic number.

765070350489 is the 874683-rd square number.

765070350489 is the 437342-nd centered octagonal number.

It is an amenable number.

765070350489 is a deficient number, since it is larger than the sum of its proper divisors (377824278508).

765070350489 is an frugal number, since it uses more digits than its factorization.

765070350489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194386 (or 97190 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 765070350489 in words is "seven hundred sixty-five billion, seventy million, three hundred fifty thousand, four hundred eighty-nine".