999970000299997 has 2 divisors, whose sum is σ = 999970000299998. Its totient is φ = 999970000299996.

The previous prime is 999970000299961. The next prime is 999970000300003. The reversal of 999970000299997 is 799992000079999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996544369384281 + 3425630915716 = 31568091^2 + 1850846^2 .

It is an emirp because it is prime and its reverse (799992000079999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999970000299997 - 2¹⁹ = 999969999775709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999970000299947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499985000149998 + 499985000149999.

It is an arithmetic number, because the mean of its divisors is an integer number (499985000149999).

Almost surely, 2^{999970000299997} is an apocalyptic number.

It is an amenable number.

999970000299997 is a deficient number, since it is larger than the sum of its proper divisors (1).

999970000299997 is an equidigital number, since it uses as much as digits as its factorization.

999970000299997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4218578658, while the sum is 88.

The spelling of 999970000299997 in words is "nine hundred ninety-nine trillion, nine hundred seventy billion, two hundred ninety-nine thousand, nine hundred ninety-seven".