99958649949 has 48 divisors (see below), whose sum is σ = 149824450048. Its totient is φ = 64152000000.

The previous prime is 99958649933. The next prime is 99958649953. The reversal of 99958649949 is 94994685999.

99958649949 is a `hidden beast` number, since 9 + 9 + 9 + 5 + 86 + 499 + 49 = 666.

99958649949 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 99958649949 - 2⁴ = 99958649933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99958649909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55500849 + ... + 55502649.

Almost surely, 2^99958649949 is an apocalyptic number.

It is an amenable number.

99958649949 is a deficient number, since it is larger than the sum of its proper divisors (49865800099).

99958649949 is a wasteful number, since it uses less digits than its factorization.

99958649949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2767 counting only the distinct ones).

The product of its digits is 2040733440, while the sum is 81.

The spelling of 99958649949 in words is "ninety-nine billion, nine hundred fifty-eight million, six hundred forty-nine thousand, nine hundred forty-nine".