21433001032 has 8 divisors (see below), whose sum is σ = 40186876950. Its totient is φ = 10716500512.

The previous prime is 21433001027. The next prime is 21433001041. The reversal of 21433001032 is 23010033412.

It can be written as a sum of positive squares in only one way, i.e., 11099465316 + 10333535716 = 105354^2 + 101654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339562557 + ... + 1339562572.

Almost surely, 2^21433001032 is an apocalyptic number.

It is an amenable number.

21433001032 is a deficient number, since it is larger than the sum of its proper divisors (18753875918).

21433001032 is a wasteful number, since it uses less digits than its factorization.

21433001032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679125135 (or 2679125131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21433001032 its reverse (23010033412), we get a palindrome (44443034444).

The spelling of 21433001032 in words is "twenty-one billion, four hundred thirty-three million, one thousand, thirty-two".