49328320851 has 12 divisors (see below), whose sum is σ = 71255460640. Its totient is φ = 32883958800.

The previous prime is 49328320843. The next prime is 49328320871. The reversal of 49328320851 is 15802382394.

49328320851 is a `hidden beast` number, since 493 + 2 + 83 + 2 + 0 + 85 + 1 = 666.

It is not a de Polignac number, because 49328320851 - 2³ = 49328320843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49328320797 and 49328320806.

It is not an unprimeable number, because it can be changed into a prime (49328320801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82701 + ... + 324801.

Almost surely, 2^49328320851 is an apocalyptic number.

49328320851 is a deficient number, since it is larger than the sum of its proper divisors (21927139789).

49328320851 is a wasteful number, since it uses less digits than its factorization.

49328320851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264746 (or 264743 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 49328320851 in words is "forty-nine billion, three hundred twenty-eight million, three hundred twenty thousand, eight hundred fifty-one".