21114174234 has 16 divisors (see below), whose sum is σ = 42260772672. Its totient is φ = 7032654048.

The previous prime is 21114174223. The next prime is 21114174239. The reversal of 21114174234 is 43247141112.

It is not an unprimeable number, because it can be changed into a prime (21114174239) 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, 1342539 + ... + 1358174.

It is an arithmetic number, because the mean of its divisors is an integer number (2641298292).

Almost surely, 2^21114174234 is an apocalyptic number.

21114174234 is an abundant number, since it is smaller than the sum of its proper divisors (21146598438).

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

21114174234 is a wasteful number, since it uses less digits than its factorization.

21114174234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702021.

The product of its digits is 5376, while the sum is 30.

The spelling of 21114174234 in words is "twenty-one billion, one hundred fourteen million, one hundred seventy-four thousand, two hundred thirty-four".