3244947976842 has 128 divisors (see below), whose sum is σ = 7715618426880. Its totient is φ = 896873360640.

The previous prime is 3244947976841. The next prime is 3244947976849. The reversal of 3244947976842 is 2486797494423.

It is not an unprimeable number, because it can be changed into a prime (3244947976841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35667103 + ... + 35757965.

It is an arithmetic number, because the mean of its divisors is an integer number (60278268960).

Almost surely, 2^{3244947976842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3244947976842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3857809213440).

3244947976842 is an abundant number, since it is smaller than the sum of its proper divisors (4470670450038).

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

3244947976842 is a wasteful number, since it uses less digits than its factorization.

3244947976842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91388.

The product of its digits is 585252864, while the sum is 69.

The spelling of 3244947976842 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-six thousand, eight hundred forty-two".