99390291020659 has 2 divisors, whose sum is σ = 99390291020660. Its totient is φ = 99390291020658.

The previous prime is 99390291020639. The next prime is 99390291020729. The reversal of 99390291020659 is 95602019209399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99390291020659 - 2¹⁷ = 99390290889587 is a prime.

It is a super-3 number, since 3×99390291020659³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99390291020659.

It is not a weakly prime, because it can be changed into another prime (99390291020609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49695145510329 + 49695145510330.

It is an arithmetic number, because the mean of its divisors is an integer number (49695145510330).

Almost surely, 2^{99390291020659} is an apocalyptic number.

99390291020659 is a deficient number, since it is larger than the sum of its proper divisors (1).

99390291020659 is an equidigital number, since it uses as much as digits as its factorization.

99390291020659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21257640, while the sum is 64.

The spelling of 99390291020659 in words is "ninety-nine trillion, three hundred ninety billion, two hundred ninety-one million, twenty thousand, six hundred fifty-nine".