49189735968 has 192 divisors, whose sum is σ = 141169392000. Its totient is φ = 14937882624.

The previous prime is 49189735967. The next prime is 49189736003. The reversal of 49189735968 is 86953798194.

It is not an unprimeable number, because it can be changed into a prime (49189735963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14227296 + ... + 14230752.

It is an arithmetic number, because the mean of its divisors is an integer number (735257250).

Almost surely, 2^49189735968 is an apocalyptic number.

49189735968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49189735968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70584696000).

49189735968 is an abundant number, since it is smaller than the sum of its proper divisors (91979656032).

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

49189735968 is a wasteful number, since it uses less digits than its factorization.

49189735968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3779 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 69.

The spelling of 49189735968 in words is "forty-nine billion, one hundred eighty-nine million, seven hundred thirty-five thousand, nine hundred sixty-eight".