49418951721672 has 64 divisors (see below), whose sum is σ = 134228466650880. Its totient is φ = 15071266409472.

The previous prime is 49418951721637. The next prime is 49418951721749. The reversal of 49418951721672 is 27612715981494.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 700823488 + ... + 700893999.

It is an arithmetic number, because the mean of its divisors is an integer number (2097319791420).

Almost surely, 2^{49418951721672} is an apocalyptic number.

It is an amenable number.

49418951721672 is an abundant number, since it is smaller than the sum of its proper divisors (84809514929208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49418951721672 is a wasteful number, since it uses less digits than its factorization.

49418951721672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401717622 (or 1401717618 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 66.

The spelling of 49418951721672 in words is "forty-nine trillion, four hundred eighteen billion, nine hundred fifty-one million, seven hundred twenty-one thousand, six hundred seventy-two".