502161899 has 2 divisors, whose sum is σ = 502161900. Its totient is φ = 502161898.

The previous prime is 502161857. The next prime is 502161911. The reversal of 502161899 is 998161205.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 502161899 - 2¹⁶ = 502096363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (502161199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251080949 + 251080950.

It is an arithmetic number, because the mean of its divisors is an integer number (251080950).

Almost surely, 2^502161899 is an apocalyptic number.

502161899 is a deficient number, since it is larger than the sum of its proper divisors (1).

502161899 is an equidigital number, since it uses as much as digits as its factorization.

502161899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 502161899 is about 22408.9691641539. The cubic root of 502161899 is about 794.8428148028.

The spelling of 502161899 in words is "five hundred two million, one hundred sixty-one thousand, eight hundred ninety-nine".