2905649534832 has 160 divisors (see below), whose sum is σ = 8251211888640. Its totient is φ = 873778287360.

The previous prime is 2905649534797. The next prime is 2905649534857. The reversal of 2905649534832 is 2384359465092.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 195435463 + ... + 195450329.

It is an arithmetic number, because the mean of its divisors is an integer number (51570074304).

Almost surely, 2^{2905649534832} is an apocalyptic number.

2905649534832 is a gapful number since it is divisible by the number (22) 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 2905649534832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4125605944320).

2905649534832 is an abundant number, since it is smaller than the sum of its proper divisors (5345562353808).

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

2905649534832 is a wasteful number, since it uses less digits than its factorization.

2905649534832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17691 (or 17685 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 60.

The spelling of 2905649534832 in words is "two trillion, nine hundred five billion, six hundred forty-nine million, five hundred thirty-four thousand, eight hundred thirty-two".