21433414276 has 24 divisors (see below), whose sum is σ = 37591358616. Its totient is φ = 10693056000.

The previous prime is 21433414259. The next prime is 21433414283. The reversal of 21433414276 is 67241433412.

It can be written as a sum of positive squares in 4 ways, for example, as 18380851776 + 3052562500 = 135576^2 + 55250^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3893526 + ... + 3899026.

It is an arithmetic number, because the mean of its divisors is an integer number (1566306609).

Almost surely, 2^21433414276 is an apocalyptic number.

It is an amenable number.

21433414276 is a deficient number, since it is larger than the sum of its proper divisors (16157944340).

21433414276 is a wasteful number, since it uses less digits than its factorization.

21433414276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479 (or 7477 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

Adding to 21433414276 its reverse (67241433412), we get a palindrome (88674847688).

The spelling of 21433414276 in words is "twenty-one billion, four hundred thirty-three million, four hundred fourteen thousand, two hundred seventy-six".