530730763381 has 12 divisors (see below), whose sum is σ = 664871506572. Its totient is φ = 419918845248.

The previous prime is 530730763361. The next prime is 530730763397. The reversal of 530730763381 is 183367037035.

It can be written as a sum of positive squares in 2 ways, for example, as 182000358225 + 348730405156 = 426615^2 + 590534^2 .

It is not a de Polignac number, because 530730763381 - 2²⁵ = 530697208949 is a prime.

It is a super-2 number, since 2×530730763381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530730763361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416585520 + ... + 416586793.

It is an arithmetic number, because the mean of its divisors is an integer number (55405958881).

Almost surely, 2^530730763381 is an apocalyptic number.

It is an amenable number.

530730763381 is a deficient number, since it is larger than the sum of its proper divisors (134140743191).

530730763381 is a wasteful number, since it uses less digits than its factorization.

530730763381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833172340 (or 833172333 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 530730763381 in words is "five hundred thirty billion, seven hundred thirty million, seven hundred sixty-three thousand, three hundred eighty-one".