48722089491 has 16 divisors (see below), whose sum is σ = 75319173120. Its totient is φ = 31069158120.

The previous prime is 48722089489. The next prime is 48722089499. The reversal of 48722089491 is 19498022784.

48722089491 is a `hidden beast` number, since 4 + 8 + 72 + 2 + 0 + 89 + 491 = 666.

It is not a de Polignac number, because 48722089491 - 2¹ = 48722089489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48722089499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39228115 + ... + 39229356.

It is an arithmetic number, because the mean of its divisors is an integer number (4707448320).

Almost surely, 2^48722089491 is an apocalyptic number.

48722089491 is a deficient number, since it is larger than the sum of its proper divisors (26597083629).

48722089491 is a wasteful number, since it uses less digits than its factorization.

48722089491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78457503 (or 78457497 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 48722089491 in words is "forty-eight billion, seven hundred twenty-two million, eighty-nine thousand, four hundred ninety-one".