21470027161270 has 16 divisors (see below), whose sum is σ = 38735714904768. Its totient is φ = 8568085083520.

The previous prime is 21470027161259. The next prime is 21470027161361. The reversal of 21470027161270 is 7216172007412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490718099 + ... + 2490726718.

It is an arithmetic number, because the mean of its divisors is an integer number (2420982181548).

Almost surely, 2^{21470027161270} is an apocalyptic number.

21470027161270 is a deficient number, since it is larger than the sum of its proper divisors (17265687743498).

21470027161270 is a wasteful number, since it uses less digits than its factorization.

21470027161270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981445255.

The product of its (nonzero) digits is 65856, while the sum is 40.

Adding to 21470027161270 its reverse (7216172007412), we get a palindrome (28686199168682).

The spelling of 21470027161270 in words is "twenty-one trillion, four hundred seventy billion, twenty-seven million, one hundred sixty-one thousand, two hundred seventy".