99137498649 has 32 divisors (see below), whose sum is σ = 152428573440. Its totient is φ = 56140695552.

The previous prime is 99137498641. The next prime is 99137498659. The reversal of 99137498649 is 94689473199.

It is not a de Polignac number, because 99137498649 - 2³ = 99137498641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99137498641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1677007 + ... + 1735115.

It is an arithmetic number, because the mean of its divisors is an integer number (4763392920).

Almost surely, 2^99137498649 is an apocalyptic number.

It is an amenable number.

99137498649 is a deficient number, since it is larger than the sum of its proper divisors (53291074791).

99137498649 is a wasteful number, since it uses less digits than its factorization.

99137498649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58849.

The product of its digits is 105815808, while the sum is 69.

The spelling of 99137498649 in words is "ninety-nine billion, one hundred thirty-seven million, four hundred ninety-eight thousand, six hundred forty-nine".