49950008991 has 64 divisors (see below), whose sum is σ = 80565788160. Its totient is φ = 30458073600.

The previous prime is 49950008897. The next prime is 49950009013. The reversal of 49950008991 is 19980005994.

49950008991 is a `hidden beast` number, since 49 + 9 + 500 + 0 + 8 + 9 + 91 = 666.

It is not a de Polignac number, because 49950008991 - 2³¹ = 47802525343 is a prime.

49950008991 is a modest number, since divided by 8991 gives 4995 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49950008791) 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 63 ways as a sum of consecutive naturals, for example, 24641320 + ... + 24643346.

It is an arithmetic number, because the mean of its divisors is an integer number (1258840440).

Almost surely, 2^49950008991 is an apocalyptic number.

49950008991 is a deficient number, since it is larger than the sum of its proper divisors (30615779169).

49950008991 is a wasteful number, since it uses less digits than its factorization.

49950008991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 49950008991 in words is "forty-nine billion, nine hundred fifty million, eight thousand, nine hundred ninety-one".