49479750694656 has 216 divisors, whose sum is σ = 142847362017360. Its totient is φ = 16471873732608.

The previous prime is 49479750694567. The next prime is 49479750694691. The reversal of 49479750694656 is 65649605797494.

49479750694656 is a `hidden beast` number, since 4 + 9 + 4 + 7 + 97 + 5 + 0 + 69 + 465 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6878871796 + ... + 6878878988.

It is an arithmetic number, because the mean of its divisors is an integer number (661330379710).

Almost surely, 2^{49479750694656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49479750694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71423681008680).

49479750694656 is an abundant number, since it is smaller than the sum of its proper divisors (93367611322704).

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

49479750694656 is a wasteful number, since it uses less digits than its factorization.

49479750694656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671 (or 10654 counting only the distinct ones).

The product of its (nonzero) digits is 12345177600, while the sum is 81.

The spelling of 49479750694656 in words is "forty-nine trillion, four hundred seventy-nine billion, seven hundred fifty million, six hundred ninety-four thousand, six hundred fifty-six".