214743281436 has 96 divisors (see below), whose sum is σ = 568850580480. Its totient is φ = 70025668992.

The previous prime is 214743281429. The next prime is 214743281491. The reversal of 214743281436 is 634182347412.

214743281436 is a `hidden beast` number, since 2 + 1 + 474 + 32 + 8 + 143 + 6 = 666.

It is a super-2 number, since 2×214743281436² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214743281391 and 214743281400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12544395 + ... + 12561501.

It is an arithmetic number, because the mean of its divisors is an integer number (5925526880).

Almost surely, 2^214743281436 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 214743281436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284425290240).

214743281436 is an abundant number, since it is smaller than the sum of its proper divisors (354107299044).

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

214743281436 is a wasteful number, since it uses less digits than its factorization.

214743281436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19640 (or 19632 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 214743281436 in words is "two hundred fourteen billion, seven hundred forty-three million, two hundred eighty-one thousand, four hundred thirty-six".