21470552230634 has 16 divisors (see below), whose sum is σ = 35271050603040. Its totient is φ = 9741528260400.

The previous prime is 21470552230613. The next prime is 21470552230639. The reversal of 21470552230634 is 43603225507412.

It is a super-2 number, since 2×21470552230634² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21470552230639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6998222792 + ... + 6998225859.

It is an arithmetic number, because the mean of its divisors is an integer number (2204440662690).

Almost surely, 2^{21470552230634} is an apocalyptic number.

21470552230634 is a deficient number, since it is larger than the sum of its proper divisors (13800498372406).

21470552230634 is a wasteful number, since it uses less digits than its factorization.

21470552230634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996448725.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 21470552230634 in words is "twenty-one trillion, four hundred seventy billion, five hundred fifty-two million, two hundred thirty thousand, six hundred thirty-four".