21433204431414 has 24 divisors (see below), whose sum is σ = 46448968600632. Its totient is φ = 7142807784960.

The previous prime is 21433204431409. The next prime is 21433204431449. The reversal of 21433204431414 is 41413440233412.

21433204431414 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 3 + 204 + 4 + 31 + 414 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132724747 + ... + 132886134.

It is an arithmetic number, because the mean of its divisors is an integer number (1935373691693).

Almost surely, 2^{21433204431414} is an apocalyptic number.

21433204431414 is an abundant number, since it is smaller than the sum of its proper divisors (25015764169218).

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

21433204431414 is a wasteful number, since it uses less digits than its factorization.

21433204431414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265615372 (or 265615369 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 21433204431414 its reverse (41413440233412), we get a palindrome (62846644664826).

The spelling of 21433204431414 in words is "twenty-one trillion, four hundred thirty-three billion, two hundred four million, four hundred thirty-one thousand, four hundred fourteen".