21343712522 has 8 divisors (see below), whose sum is σ = 34926075072. Its totient is φ = 9701687500.

The previous prime is 21343712519. The next prime is 21343712527. The reversal of 21343712522 is 22521734312.

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

It is not an unprimeable number, because it can be changed into a prime (21343712527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485084354 + ... + 485084397.

It is an arithmetic number, because the mean of its divisors is an integer number (4365759384).

Almost surely, 2^21343712522 is an apocalyptic number.

21343712522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21343712522 is a deficient number, since it is larger than the sum of its proper divisors (13582362550).

21343712522 is a wasteful number, since it uses less digits than its factorization.

21343712522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970168764.

The product of its digits is 20160, while the sum is 32.

The spelling of 21343712522 in words is "twenty-one billion, three hundred forty-three million, seven hundred twelve thousand, five hundred twenty-two".