2913445128 has 64 divisors (see below), whose sum is σ = 7957984320. Its totient is φ = 881504000.

The previous prime is 2913445099. The next prime is 2913445141. The reversal of 2913445128 is 8215443192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170578 + ... + 186878.

It is an arithmetic number, because the mean of its divisors is an integer number (124343505).

Almost surely, 2^2913445128 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 2913445128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3978992160).

2913445128 is an abundant number, since it is smaller than the sum of its proper divisors (5044539192).

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

2913445128 is a wasteful number, since it uses less digits than its factorization.

2913445128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998 (or 16994 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 2913445128 is about 53976.3385938691. The cubic root of 2913445128 is about 1428.2435813881.

The spelling of 2913445128 in words is "two billion, nine hundred thirteen million, four hundred forty-five thousand, one hundred twenty-eight".