99010505444 has 6 divisors (see below), whose sum is σ = 173268384534. Its totient is φ = 49505252720.

The previous prime is 99010505437. The next prime is 99010505483. The reversal of 99010505444 is 44450501099.

It can be written as a sum of positive squares in only one way, i.e., 91846575844 + 7163929600 = 303062^2 + 84640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12376313177 + ... + 12376313184.

It is an arithmetic number, because the mean of its divisors is an integer number (28878064089).

Almost surely, 2^99010505444 is an apocalyptic number.

It is an amenable number.

99010505444 is a deficient number, since it is larger than the sum of its proper divisors (74257879090).

99010505444 is a wasteful number, since it uses less digits than its factorization.

99010505444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24752626365 (or 24752626363 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 99010505444 in words is "ninety-nine billion, ten million, five hundred five thousand, four hundred forty-four".