49297989312 has 504 divisors, whose sum is σ = 172593347472. Its totient is φ = 13772851200.

The previous prime is 49297989269. The next prime is 49297989329. The reversal of 49297989312 is 21398979294.

It is a self number, because there is not a number n which added to its sum of digits gives 49297989312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60045862 + ... + 60046682.

It is an arithmetic number, because the mean of its divisors is an integer number (342447118).

Almost surely, 2^49297989312 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 49297989312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86296673736).

49297989312 is an abundant number, since it is smaller than the sum of its proper divisors (123295358160).

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

49297989312 is an equidigital number, since it uses as much as digits as its factorization.

49297989312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 850 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 49297989312 in words is "forty-nine billion, two hundred ninety-seven million, nine hundred eighty-nine thousand, three hundred twelve".