49717390648 has 8 divisors (see below), whose sum is σ = 93220107480. Its totient is φ = 24858695320.

The previous prime is 49717390621. The next prime is 49717390691. The reversal of 49717390648 is 84609371794.

49717390648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×49717390648³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49717390592 and 49717390601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3107336908 + ... + 3107336923.

It is an arithmetic number, because the mean of its divisors is an integer number (11652513435).

Almost surely, 2^49717390648 is an apocalyptic number.

It is an amenable number.

49717390648 is a deficient number, since it is larger than the sum of its proper divisors (43502716832).

49717390648 is a wasteful number, since it uses less digits than its factorization.

49717390648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214673837 (or 6214673833 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 49717390648 in words is "forty-nine billion, seven hundred seventeen million, three hundred ninety thousand, six hundred forty-eight".