389462588461 has 2 divisors, whose sum is σ = 389462588462. Its totient is φ = 389462588460.

The previous prime is 389462588387. The next prime is 389462588467. The reversal of 389462588461 is 164885264983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307366012836 + 82096575625 = 554406^2 + 286525^2 .

It is an emirp because it is prime and its reverse (164885264983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389462588461 - 2²³ = 389454199853 is a prime.

It is a super-2 number, since 2×389462588461² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389462588393 and 389462588402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389462588467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194731294230 + 194731294231.

It is an arithmetic number, because the mean of its divisors is an integer number (194731294231).

Almost surely, 2^389462588461 is an apocalyptic number.

It is an amenable number.

389462588461 is a deficient number, since it is larger than the sum of its proper divisors (1).

389462588461 is an equidigital number, since it uses as much as digits as its factorization.

389462588461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79626240, while the sum is 64.

The spelling of 389462588461 in words is "three hundred eighty-nine billion, four hundred sixty-two million, five hundred eighty-eight thousand, four hundred sixty-one".