21032763643132 has 48 divisors (see below), whose sum is σ = 39592340101440. Its totient is φ = 9750894607872.

The previous prime is 21032763643103. The next prime is 21032763643139. The reversal of 21032763643132 is 23134636723012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032763643139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10569153 + ... + 12400504.

It is an arithmetic number, because the mean of its divisors is an integer number (824840418780).

Almost surely, 2^{21032763643132} is an apocalyptic number.

It is an amenable number.

21032763643132 is a deficient number, since it is larger than the sum of its proper divisors (18559576458308).

21032763643132 is a wasteful number, since it uses less digits than its factorization.

21032763643132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22969990 (or 22969988 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 21032763643132 in words is "twenty-one trillion, thirty-two billion, seven hundred sixty-three million, six hundred forty-three thousand, one hundred thirty-two".