499780598923 has 2 divisors, whose sum is σ = 499780598924. Its totient is φ = 499780598922.

The previous prime is 499780598879. The next prime is 499780598939. The reversal of 499780598923 is 329895087994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499780598923 - 2¹³ = 499780590731 is a prime.

It is not a weakly prime, because it can be changed into another prime (499780508923) 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, 249890299461 + 249890299462.

It is an arithmetic number, because the mean of its divisors is an integer number (249890299462).

Almost surely, 2^499780598923 is an apocalyptic number.

499780598923 is a deficient number, since it is larger than the sum of its proper divisors (1).

499780598923 is an equidigital number, since it uses as much as digits as its factorization.

499780598923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352719360, while the sum is 73.

The spelling of 499780598923 in words is "four hundred ninety-nine billion, seven hundred eighty million, five hundred ninety-eight thousand, nine hundred twenty-three".