99228649508 has 6 divisors (see below), whose sum is σ = 173650136646. Its totient is φ = 49614324752.

The previous prime is 99228649453. The next prime is 99228649571. The reversal of 99228649508 is 80594682299.

It can be written as a sum of positive squares in only one way, i.e., 90647962084 + 8580687424 = 301078^2 + 92632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12403581185 + ... + 12403581192.

It is an arithmetic number, because the mean of its divisors is an integer number (28941689441).

Almost surely, 2^99228649508 is an apocalyptic number.

It is an amenable number.

99228649508 is a deficient number, since it is larger than the sum of its proper divisors (74421487138).

99228649508 is a wasteful number, since it uses less digits than its factorization.

99228649508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24807162381 (or 24807162379 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 99228649508 in words is "ninety-nine billion, two hundred twenty-eight million, six hundred forty-nine thousand, five hundred eight".