99999963532 has 48 divisors (see below), whose sum is σ = 212236718400. Its totient is φ = 40246198272.

The previous prime is 99999963499. The next prime is 99999963643. The reversal of 99999963532 is 23536999999.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20223 + ... + 447670.

It is an arithmetic number, because the mean of its divisors is an integer number (4421598300).

Almost surely, 2^99999963532 is an apocalyptic number.

It is an amenable number.

99999963532 is an abundant number, since it is smaller than the sum of its proper divisors (112236754868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99999963532 is a wasteful number, since it uses less digits than its factorization.

99999963532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468370 (or 468368 counting only the distinct ones).

The product of its digits is 286978140, while the sum is 73.

The spelling of 99999963532 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred sixty-three thousand, five hundred thirty-two".