99419691499 has 16 divisors (see below), whose sum is σ = 105781358592. Its totient is φ = 93115410048.

The previous prime is 99419691323. The next prime is 99419691529.

It is a happy number.

99419691499 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 99419691499 - 2⁹ = 99419690987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99419695499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18129612 + ... + 18135094.

It is an arithmetic number, because the mean of its divisors is an integer number (6611334912).

Almost surely, 2^99419691499 is an apocalyptic number.

99419691499 is a deficient number, since it is larger than the sum of its proper divisors (6361667093).

99419691499 is a wasteful number, since it uses less digits than its factorization.

99419691499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506.

The product of its digits is 51018336, while the sum is 70.

The spelling of 99419691499 in words is "ninety-nine billion, four hundred nineteen million, six hundred ninety-one thousand, four hundred ninety-nine".