2113556344 has 8 divisors (see below), whose sum is σ = 3962918160. Its totient is φ = 1056778168.

The previous prime is 2113556327. The next prime is 2113556387. The reversal of 2113556344 is 4436553112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132097264 + ... + 132097279.

It is an arithmetic number, because the mean of its divisors is an integer number (495364770).

Almost surely, 2^2113556344 is an apocalyptic number.

It is an amenable number.

2113556344 is a deficient number, since it is larger than the sum of its proper divisors (1849361816).

2113556344 is a wasteful number, since it uses less digits than its factorization.

2113556344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264194549 (or 264194545 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2113556344 is about 45973.4308486978. The cubic root of 2113556344 is about 1283.3288078250.

The spelling of 2113556344 in words is "two billion, one hundred thirteen million, five hundred fifty-six thousand, three hundred forty-four".