21470065543267 has 8 divisors (see below), whose sum is σ = 23422927836672. Its totient is φ = 19517376275400.

The previous prime is 21470065543261. The next prime is 21470065543321. The reversal of 21470065543267 is 76234556007412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21470065543267 - 2⁴³ = 12673972521059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21470065543261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42996859 + ... + 43493332.

It is an arithmetic number, because the mean of its divisors is an integer number (2927865979584).

Almost surely, 2^{21470065543267} is an apocalyptic number.

21470065543267 is a deficient number, since it is larger than the sum of its proper divisors (1952862293405).

21470065543267 is a wasteful number, since it uses less digits than its factorization.

21470065543267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86512769.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 21470065543267 in words is "twenty-one trillion, four hundred seventy billion, sixty-five million, five hundred forty-three thousand, two hundred sixty-seven".