389792541281 has 12 divisors (see below), whose sum is σ = 461407320276. Its totient is φ = 327098634720.

The previous prime is 389792541251. The next prime is 389792541287. The reversal of 389792541281 is 182145297983.

It can be written as a sum of positive squares in 2 ways, for example, as 60339500881 + 329453040400 = 245641^2 + 573980^2 .

It is not a de Polignac number, because 389792541281 - 2¹⁰ = 389792540257 is a prime.

It is a super-2 number, since 2×389792541281² (a number of 24 digits) contains 22 as substring.

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 389792541281.

It is not an unprimeable number, because it can be changed into a prime (389792541287) 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 11 ways as a sum of consecutive naturals, for example, 123899426 + ... + 123902571.

It is an arithmetic number, because the mean of its divisors is an integer number (38450610023).

Almost surely, 2^389792541281 is an apocalyptic number.

It is an amenable number.

389792541281 is a deficient number, since it is larger than the sum of its proper divisors (71614778995).

389792541281 is a wasteful number, since it uses less digits than its factorization.

389792541281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247802032 (or 247802021 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 59.

The spelling of 389792541281 in words is "three hundred eighty-nine billion, seven hundred ninety-two million, five hundred forty-one thousand, two hundred eighty-one".