389510719493 has 6 divisors (see below), whose sum is σ = 453104306406. Its totient is φ = 333866330952.

The previous prime is 389510719483. The next prime is 389510719519. The reversal of 389510719493 is 394917015983.

It can be written as a sum of positive squares in only one way, i.e., 372511253569 + 16999465924 = 610337^2 + 130382^2 .

It is not a de Polignac number, because 389510719493 - 2¹⁶ = 389510653957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389510719463) 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 5 ways as a sum of consecutive naturals, for example, 3974599130 + ... + 3974599227.

It is an arithmetic number, because the mean of its divisors is an integer number (75517384401).

Almost surely, 2^389510719493 is an apocalyptic number.

It is an amenable number.

389510719493 is a deficient number, since it is larger than the sum of its proper divisors (63593586913).

389510719493 is an equidigital number, since it uses as much as digits as its factorization.

389510719493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949198371 (or 7949198364 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 389510719493 in words is "three hundred eighty-nine billion, five hundred ten million, seven hundred nineteen thousand, four hundred ninety-three".