21314151260029 has 2 divisors, whose sum is σ = 21314151260030. Its totient is φ = 21314151260028.

The previous prime is 21314151259969. The next prime is 21314151260111. The reversal of 21314151260029 is 92006215141312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20252835099225 + 1061316160804 = 4500315^2 + 1030202^2 .

It is a cyclic number.

It is not a de Polignac number, because 21314151260029 - 2¹¹ = 21314151257981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21314151260029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21314151260729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10657075630014 + 10657075630015.

It is an arithmetic number, because the mean of its divisors is an integer number (10657075630015).

Almost surely, 2^{21314151260029} is an apocalyptic number.

It is an amenable number.

21314151260029 is a deficient number, since it is larger than the sum of its proper divisors (1).

21314151260029 is an equidigital number, since it uses as much as digits as its factorization.

21314151260029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 21314151260029 in words is "twenty-one trillion, three hundred fourteen billion, one hundred fifty-one million, two hundred sixty thousand, twenty-nine".