21010432142179 has 2 divisors, whose sum is σ = 21010432142180. Its totient is φ = 21010432142178.

The previous prime is 21010432142129. The next prime is 21010432142237. The reversal of 21010432142179 is 97124123401012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21010432142179 is a prime.

It is a super-2 number, since 2×21010432142179² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21010432142129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505216071089 + 10505216071090.

It is an arithmetic number, because the mean of its divisors is an integer number (10505216071090).

Almost surely, 2^{21010432142179} is an apocalyptic number.

21010432142179 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010432142179 is an equidigital number, since it uses as much as digits as its factorization.

21010432142179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 21010432142179 in words is "twenty-one trillion, ten billion, four hundred thirty-two million, one hundred forty-two thousand, one hundred seventy-nine".