21170433622414 has 4 divisors (see below), whose sum is σ = 31755650433624. Its totient is φ = 10585216811206.

The previous prime is 21170433622339. The next prime is 21170433622417. The reversal of 21170433622414 is 41422633407112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21170433622414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21170433622417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5292608405602 + ... + 5292608405605.

It is an arithmetic number, because the mean of its divisors is an integer number (7938912608406).

Almost surely, 2^{21170433622414} is an apocalyptic number.

21170433622414 is a deficient number, since it is larger than the sum of its proper divisors (10585216811210).

21170433622414 is a wasteful number, since it uses less digits than its factorization.

21170433622414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585216811209.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 21170433622414 in words is "twenty-one trillion, one hundred seventy billion, four hundred thirty-three million, six hundred twenty-two thousand, four hundred fourteen".