99565954426 has 8 divisors (see below), whose sum is σ = 150174064404. Its totient is φ = 49507932960.

The previous prime is 99565954409. The next prime is 99565954451. The reversal of 99565954426 is 62445956599.

It can be written as a sum of positive squares in 2 ways, for example, as 99556025625 + 9928801 = 315525^2 + 3151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137521675 + ... + 137522398.

Almost surely, 2^99565954426 is an apocalyptic number.

99565954426 is a deficient number, since it is larger than the sum of its proper divisors (50608109978).

99565954426 is a wasteful number, since it uses less digits than its factorization.

99565954426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275044256.

The product of its digits is 104976000, while the sum is 64.

The spelling of 99565954426 in words is "ninety-nine billion, five hundred sixty-five million, nine hundred fifty-four thousand, four hundred twenty-six".