21343032070 has 16 divisors (see below), whose sum is σ = 38757437280. Its totient is φ = 8461661824.

The previous prime is 21343032047. The next prime is 21343032083. The reversal of 21343032070 is 7023034312.

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, 9442690 + ... + 9444949.

It is an arithmetic number, because the mean of its divisors is an integer number (2422339830).

Almost surely, 2^21343032070 is an apocalyptic number.

21343032070 is a deficient number, since it is larger than the sum of its proper divisors (17414405210).

21343032070 is a wasteful number, since it uses less digits than its factorization.

21343032070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887759.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 21343032070 its reverse (7023034312), we get a palindrome (28366066382).

The spelling of 21343032070 in words is "twenty-one billion, three hundred forty-three million, thirty-two thousand, seventy".