21467263774332 has 24 divisors (see below), whose sum is σ = 50576595561856. Its totient is φ = 7086281245488.

The previous prime is 21467263774321. The next prime is 21467263774387. The reversal of 21467263774332 is 23347736276412.

It is a happy number.

21467263774332 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684166958 + ... + 8684169429.

Almost surely, 2^{21467263774332} is an apocalyptic number.

It is an amenable number.

21467263774332 is an abundant number, since it is smaller than the sum of its proper divisors (29109331787524).

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

21467263774332 is a wasteful number, since it uses less digits than its factorization.

21467263774332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368336497 (or 17368336495 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 57.

The spelling of 21467263774332 in words is "twenty-one trillion, four hundred sixty-seven billion, two hundred sixty-three million, seven hundred seventy-four thousand, three hundred thirty-two".