99446989369 has 32 divisors (see below), whose sum is σ = 129282965504. Its totient is φ = 74374251840.

The previous prime is 99446989361. The next prime is 99446989373. The reversal of 99446989369 is 96398964499.

It is not a de Polignac number, because 99446989369 - 2³ = 99446989361 is a prime.

It is a super-2 number, since 2×99446989369² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99446989295 and 99446989304.

It is not an unprimeable number, because it can be changed into a prime (99446989361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288609 + ... + 531214.

It is an arithmetic number, because the mean of its divisors is an integer number (4040092672).

Almost surely, 2^99446989369 is an apocalyptic number.

It is an amenable number.

99446989369 is a deficient number, since it is larger than the sum of its proper divisors (29835976135).

99446989369 is a wasteful number, since it uses less digits than its factorization.

99446989369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819917.

The product of its digits is 816293376, while the sum is 76.

The spelling of 99446989369 in words is "ninety-nine billion, four hundred forty-six million, nine hundred eighty-nine thousand, three hundred sixty-nine".