99919238748 has 48 divisors (see below), whose sum is σ = 266753942784. Its totient is φ = 28515928320.

The previous prime is 99919238737. The next prime is 99919238819. The reversal of 99919238748 is 84783291999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601090 + ... + 749097.

It is an arithmetic number, because the mean of its divisors is an integer number (5557373808).

Almost surely, 2^99919238748 is an apocalyptic number.

It is an amenable number.

99919238748 is an abundant number, since it is smaller than the sum of its proper divisors (166834704036).

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

99919238748 is a wasteful number, since it uses less digits than its factorization.

99919238748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351082 (or 1351080 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 69.

The spelling of 99919238748 in words is "ninety-nine billion, nine hundred nineteen million, two hundred thirty-eight thousand, seven hundred forty-eight".