99749398576849 has 8 divisors (see below), whose sum is σ = 114004669184960. Its totient is φ = 85495467100176.

The previous prime is 99749398576819. The next prime is 99749398576859. The reversal of 99749398576849 is 94867589394799.

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

It is a de Polignac number, because none of the positive numbers 2^k-99749398576849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99749398576819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334623234 + ... + 334921195.

It is an arithmetic number, because the mean of its divisors is an integer number (14250583648120).

Almost surely, 2^{99749398576849} is an apocalyptic number.

It is an amenable number.

99749398576849 is a deficient number, since it is larger than the sum of its proper divisors (14255270608111).

99749398576849 is a wasteful number, since it uses less digits than its factorization.

99749398576849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669565719.

The product of its digits is 266655836160, while the sum is 97.

The spelling of 99749398576849 in words is "ninety-nine trillion, seven hundred forty-nine billion, three hundred ninety-eight million, five hundred seventy-six thousand, eight hundred forty-nine".