999959651289059 has 2 divisors, whose sum is σ = 999959651289060. Its totient is φ = 999959651289058.

The previous prime is 999959651288993. The next prime is 999959651289083. The reversal of 999959651289059 is 950982156959999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999959651289059 is a prime.

It is a super-2 number, since 2×999959651289059² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (999959651289089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499979825644529 + 499979825644530.

It is an arithmetic number, because the mean of its divisors is an integer number (499979825644530).

Almost surely, 2^{999959651289059} is an apocalyptic number.

999959651289059 is a deficient number, since it is larger than the sum of its proper divisors (1).

999959651289059 is an equidigital number, since it uses as much as digits as its factorization.

999959651289059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57395628000, while the sum is 95.

The spelling of 999959651289059 in words is "nine hundred ninety-nine trillion, nine hundred fifty-nine billion, six hundred fifty-one million, two hundred eighty-nine thousand, fifty-nine".