100068636493 has 16 divisors (see below), whose sum is σ = 116539088256. Its totient is φ = 84142393920.

The previous prime is 100068636467. The next prime is 100068636497. The reversal of 100068636493 is 394636860001.

It is a cyclic number.

It is not a de Polignac number, because 100068636493 - 2¹⁷ = 100068505421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100068636497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3223755 + ... + 3254647.

It is an arithmetic number, because the mean of its divisors is an integer number (7283693016).

Almost surely, 2^100068636493 is an apocalyptic number.

It is an amenable number.

100068636493 is a deficient number, since it is larger than the sum of its proper divisors (16470451763).

100068636493 is an equidigital number, since it uses as much as digits as its factorization.

100068636493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39684.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 100068636493 in words is "one hundred billion, sixty-eight million, six hundred thirty-six thousand, four hundred ninety-three".