21343068465610 has 8 divisors (see below), whose sum is σ = 38417523238116. Its totient is φ = 8537227386240.

The previous prime is 21343068465601. The next prime is 21343068465617. The reversal of 21343068465610 is 1656486034312.

It can be written as a sum of positive squares in 2 ways, for example, as 20399774925321 + 943293540289 = 4516611^2 + 971233^2 .

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

It is a super-3 number, since 3×21343068465610³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21343068465617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067153423271 + ... + 1067153423290.

Almost surely, 2^{21343068465610} is an apocalyptic number.

21343068465610 is a deficient number, since it is larger than the sum of its proper divisors (17074454772506).

21343068465610 is a wasteful number, since it uses less digits than its factorization.

21343068465610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134306846568.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 21343068465610 in words is "twenty-one trillion, three hundred forty-three billion, sixty-eight million, four hundred sixty-five thousand, six hundred ten".