499980983 has 2 divisors, whose sum is σ = 499980984. Its totient is φ = 499980982.

The previous prime is 499980979. The next prime is 499980997. The reversal of 499980983 is 389089994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499980983 - 2² = 499980979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499980683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249990491 + 249990492.

It is an arithmetic number, because the mean of its divisors is an integer number (249990492).

Almost surely, 2^499980983 is an apocalyptic number.

499980983 is a deficient number, since it is larger than the sum of its proper divisors (1).

499980983 is an equidigital number, since it uses as much as digits as its factorization.

499980983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 499980983 is about 22360.2545379072. The cubic root of 499980983 is about 793.6904633213.

The spelling of 499980983 in words is "four hundred ninety-nine million, nine hundred eighty thousand, nine hundred eighty-three".