498978380903 has 2 divisors, whose sum is σ = 498978380904. Its totient is φ = 498978380902.

The previous prime is 498978380897. The next prime is 498978380963. The reversal of 498978380903 is 309083879894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498978380903 - 2⁶ = 498978380839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498978380963) 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, 249489190451 + 249489190452.

It is an arithmetic number, because the mean of its divisors is an integer number (249489190452).

Almost surely, 2^498978380903 is an apocalyptic number.

498978380903 is a deficient number, since it is larger than the sum of its proper divisors (1).

498978380903 is an equidigital number, since it uses as much as digits as its factorization.

498978380903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 68.

The spelling of 498978380903 in words is "four hundred ninety-eight billion, nine hundred seventy-eight million, three hundred eighty thousand, nine hundred three".