499981500127 has 2 divisors, whose sum is σ = 499981500128. Its totient is φ = 499981500126.

The previous prime is 499981500101. The next prime is 499981500131. The reversal of 499981500127 is 721005189994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499981500127 is a prime.

It is a super-2 number, since 2×499981500127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499981500157) 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, 249990750063 + 249990750064.

It is an arithmetic number, because the mean of its divisors is an integer number (249990750064).

Almost surely, 2^499981500127 is an apocalyptic number.

499981500127 is a deficient number, since it is larger than the sum of its proper divisors (1).

499981500127 is an equidigital number, since it uses as much as digits as its factorization.

499981500127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 499981500127 in words is "four hundred ninety-nine billion, nine hundred eighty-one million, five hundred thousand, one hundred twenty-seven".