2113544972 has 24 divisors (see below), whose sum is σ = 4611371520. Its totient is φ = 823458960.

The previous prime is 2113544963. The next prime is 2113544981. The reversal of 2113544972 is 2794453112.

It is an interprime number because it is at equal distance from previous prime (2113544963) and next prime (2113544981).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430772 + ... + 3431387.

It is an arithmetic number, because the mean of its divisors is an integer number (192140480).

Almost surely, 2^2113544972 is an apocalyptic number.

2113544972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2113544972 is an abundant number, since it is smaller than the sum of its proper divisors (2497826548).

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

2113544972 is a wasteful number, since it uses less digits than its factorization.

2113544972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862181 (or 6862179 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 2113544972 is about 45973.3071683994. The cubic root of 2113544972 is about 1283.3265061686.

The spelling of 2113544972 in words is "two billion, one hundred thirteen million, five hundred forty-four thousand, nine hundred seventy-two".