99944500403 has 32 divisors (see below), whose sum is σ = 120529244160. Its totient is φ = 81751183360.

The previous prime is 99944500399. The next prime is 99944500421. The reversal of 99944500403 is 30400544999.

It is not a de Polignac number, because 99944500403 - 2² = 99944500399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99934500403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9487043 + ... + 9497571.

It is an arithmetic number, because the mean of its divisors is an integer number (3766538880).

Almost surely, 2^99944500403 is an apocalyptic number.

99944500403 is a deficient number, since it is larger than the sum of its proper divisors (20584743757).

99944500403 is a wasteful number, since it uses less digits than its factorization.

99944500403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 99944500403 in words is "ninety-nine billion, nine hundred forty-four million, five hundred thousand, four hundred three".