502148389 has 4 divisors (see below), whose sum is σ = 502238880. Its totient is φ = 502057900.

The previous prime is 502148357. The next prime is 502148393. The reversal of 502148389 is 983841205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 502148389 - 2⁵ = 502148357 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 (502148189) 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 3 ways as a sum of consecutive naturals, for example, 36337 + ... + 48214.

It is an arithmetic number, because the mean of its divisors is an integer number (125559720).

Almost surely, 2^502148389 is an apocalyptic number.

It is an amenable number.

502148389 is a deficient number, since it is larger than the sum of its proper divisors (90491).

502148389 is an equidigital number, since it uses as much as digits as its factorization.

502148389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90490.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 502148389 is about 22408.6677203264. The cubic root of 502148389 is about 794.8356866749.

The spelling of 502148389 in words is "five hundred two million, one hundred forty-eight thousand, three hundred eighty-nine".