99434481795856 has 45 divisors (see below), whose sum is σ = 192903551053959. Its totient is φ = 49653003309600.

The previous prime is 99434481795841. The next prime is 99434481795907. The reversal of 99434481795856 is 65859718443499.

The square root of 99434481795856 is 9971684.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99434481795856.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51493775211 + ... + 51493777141.

Almost surely, 2^{99434481795856} is an apocalyptic number.

99434481795856 is the 9971684-th square number.

It is an amenable number.

99434481795856 is a deficient number, since it is larger than the sum of its proper divisors (93469069258103).

99434481795856 is an frugal number, since it uses more digits than its factorization.

99434481795856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452 (or 3224 counting only the distinct ones).

The product of its digits is 9405849600, while the sum is 82.

The spelling of 99434481795856 in words is "ninety-nine trillion, four hundred thirty-four billion, four hundred eighty-one million, seven hundred ninety-five thousand, eight hundred fifty-six".