3447070081644 has 96 divisors (see below), whose sum is σ = 9741220102656. Its totient is φ = 926151183360.

The previous prime is 3447070081639. The next prime is 3447070081667. The reversal of 3447070081644 is 4461800707443.

It is a junction number, because it is equal to n+sod(n) for n = 3447070081593 and 3447070081602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641482 + ... + 2702894.

It is an arithmetic number, because the mean of its divisors is an integer number (101471042736).

Almost surely, 2^{3447070081644} is an apocalyptic number.

3447070081644 is a gapful number since it is divisible by the number (34) 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 3447070081644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4870610051328).

3447070081644 is an abundant number, since it is smaller than the sum of its proper divisors (6294150021012).

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

3447070081644 is a wasteful number, since it uses less digits than its factorization.

3447070081644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062615 (or 2062613 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 3447070081644 in words is "three trillion, four hundred forty-seven billion, seventy million, eighty-one thousand, six hundred forty-four".