2181433562 has 16 divisors (see below), whose sum is σ = 4079564352. Its totient is φ = 849909120.

The previous prime is 2181433561. The next prime is 2181433571. The reversal of 2181433562 is 2653341812.

It is not an unprimeable number, because it can be changed into a prime (2181433561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082423 + ... + 7082730.

It is an arithmetic number, because the mean of its divisors is an integer number (254972772).

Almost surely, 2^2181433562 is an apocalyptic number.

2181433562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2181433562 is a deficient number, since it is larger than the sum of its proper divisors (1898130790).

2181433562 is a wasteful number, since it uses less digits than its factorization.

2181433562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165173.

The product of its digits is 34560, while the sum is 35.

The square root of 2181433562 is about 46705.8193590478. The cubic root of 2181433562 is about 1296.9224166121.

The spelling of 2181433562 in words is "two billion, one hundred eighty-one million, four hundred thirty-three thousand, five hundred sixty-two".