1099358023679 has 8 divisors (see below), whose sum is σ = 1100387949168. Its totient is φ = 1098328291200.

The previous prime is 1099358023601. The next prime is 1099358023691. The reversal of 1099358023679 is 9763208539901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1099358023679 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 (1099351023679) 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 in 7 ways as a sum of consecutive naturals, for example, 12973004 + ... + 13057470.

It is an arithmetic number, because the mean of its divisors is an integer number (137548493646).

Almost surely, 2^{1099358023679} is an apocalyptic number.

1099358023679 is a deficient number, since it is larger than the sum of its proper divisors (1029925489).

1099358023679 is a wasteful number, since it uses less digits than its factorization.

1099358023679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96505.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 1099358023679 in words is "one trillion, ninety-nine billion, three hundred fifty-eight million, twenty-three thousand, six hundred seventy-nine".