21398425469114 has 8 divisors (see below), whose sum is σ = 32097732270240. Its totient is φ = 10699181379036.

The previous prime is 21398425469081. The next prime is 21398425469117. The reversal of 21398425469114 is 41196452489312.

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

It is a super-2 number, since 2×21398425469114² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21398425469117) 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, 14815214 + ... + 16195289.

It is an arithmetic number, because the mean of its divisors is an integer number (4012216533780).

Almost surely, 2^{21398425469114} is an apocalyptic number.

21398425469114 is a deficient number, since it is larger than the sum of its proper divisors (10699306801126).

21398425469114 is a wasteful number, since it uses less digits than its factorization.

21398425469114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31355524.

The product of its digits is 14929920, while the sum is 59.

The spelling of 21398425469114 in words is "twenty-one trillion, three hundred ninety-eight billion, four hundred twenty-five million, four hundred sixty-nine thousand, one hundred fourteen".