2181363462 has 12 divisors (see below), whose sum is σ = 4726287540. Its totient is φ = 727121148.

The previous prime is 2181363461. The next prime is 2181363473. The reversal of 2181363462 is 2643631812.

2181363462 is a `hidden beast` number, since 2 + 1 + 8 + 13 + 634 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2181363461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60593412 + ... + 60593447.

It is an arithmetic number, because the mean of its divisors is an integer number (393857295).

Almost surely, 2^2181363462 is an apocalyptic number.

2181363462 is an abundant number, since it is smaller than the sum of its proper divisors (2544924078).

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

2181363462 is a wasteful number, since it uses less digits than its factorization.

2181363462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121186867 (or 121186864 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2181363462 is about 46705.0689112006. The cubic root of 2181363462 is about 1296.9085243355.

The spelling of 2181363462 in words is "two billion, one hundred eighty-one million, three hundred sixty-three thousand, four hundred sixty-two".