999999950062513 has 2 divisors, whose sum is σ = 999999950062514. Its totient is φ = 999999950062512.

The previous prime is 999999950062511. The next prime is 999999950062517. The reversal of 999999950062513 is 315260059999999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750116950157169 + 249882999905344 = 27388263^2 + 15807688^2 .

It is a cyclic number.

It is not a de Polignac number, because 999999950062513 - 2¹ = 999999950062511 is a prime.

Together with 999999950062511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (999999950062511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999975031256 + 499999975031257.

It is an arithmetic number, because the mean of its divisors is an integer number (499999975031257).

Almost surely, 2^{999999950062513} is an apocalyptic number.

It is an amenable number.

999999950062513 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999950062513 is an equidigital number, since it uses as much as digits as its factorization.

999999950062513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4304672100, while the sum is 85.

The spelling of 999999950062513 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred fifty million, sixty-two thousand, five hundred thirteen".