49913317908 has 192 divisors, whose sum is σ = 145974528000. Its totient is φ = 14655333888.

The previous prime is 49913317843. The next prime is 49913317919. The reversal of 49913317908 is 80971331994.

It is a happy number.

49913317908 is a `hidden beast` number, since 499 + 133 + 17 + 9 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2886753 + ... + 2903991.

It is an arithmetic number, because the mean of its divisors is an integer number (760284000).

Almost surely, 2^49913317908 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 49913317908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72987264000).

49913317908 is an abundant number, since it is smaller than the sum of its proper divisors (96061210092).

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

49913317908 is a wasteful number, since it uses less digits than its factorization.

49913317908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371 (or 17363 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

It can be divided in two parts, 49913317 and 908, that added together give a square (49914225 = 7065²).

The spelling of 49913317908 in words is "forty-nine billion, nine hundred thirteen million, three hundred seventeen thousand, nine hundred eight".