99613487796191 has 4 divisors (see below), whose sum is σ = 99614906114472. Its totient is φ = 99612069477912.

The previous prime is 99613487796157. The next prime is 99613487796209. The reversal of 99613487796191 is 19169778431699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99613487796191 - 2¹⁰ = 99613487795167 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 (99613487796491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709053785 + ... + 709194258.

It is an arithmetic number, because the mean of its divisors is an integer number (24903726528618).

Almost surely, 2^{99613487796191} is an apocalyptic number.

99613487796191 is a deficient number, since it is larger than the sum of its proper divisors (1418318281).

99613487796191 is a wasteful number, since it uses less digits than its factorization.

99613487796191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418318280.

The product of its digits is 1111065984, while the sum is 80.

The spelling of 99613487796191 in words is "ninety-nine trillion, six hundred thirteen billion, four hundred eighty-seven million, seven hundred ninety-six thousand, one hundred ninety-one".