49615419816821 has 8 divisors (see below), whose sum is σ = 50070774082560. Its totient is φ = 49160068586352.

The previous prime is 49615419816817. The next prime is 49615419816917. The reversal of 49615419816821 is 12861891451694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49615419816821 - 2² = 49615419816817 is a prime.

It is a super-3 number, since 3×49615419816821³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49615439816821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44309576 + ... + 45415518.

It is an arithmetic number, because the mean of its divisors is an integer number (6258846760320).

Almost surely, 2^{49615419816821} is an apocalyptic number.

It is an amenable number.

49615419816821 is a deficient number, since it is larger than the sum of its proper divisors (455354265739).

49615419816821 is a wasteful number, since it uses less digits than its factorization.

49615419816821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517635.

The product of its digits is 29859840, while the sum is 65.

The spelling of 49615419816821 in words is "forty-nine trillion, six hundred fifteen billion, four hundred nineteen million, eight hundred sixteen thousand, eight hundred twenty-one".