201414880906621 has 2 divisors, whose sum is σ = 201414880906622. Its totient is φ = 201414880906620.

The previous prime is 201414880906607. The next prime is 201414880906649. The reversal of 201414880906621 is 126609088414102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104245856127396 + 97169024779225 = 10210086^2 + 9857435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201414880906621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201414880906661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100707440453310 + 100707440453311.

It is an arithmetic number, because the mean of its divisors is an integer number (100707440453311).

Almost surely, 2^{201414880906621} is an apocalyptic number.

It is an amenable number.

201414880906621 is a deficient number, since it is larger than the sum of its proper divisors (1).

201414880906621 is an equidigital number, since it uses as much as digits as its factorization.

201414880906621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 201414880906621 in words is "two hundred one trillion, four hundred fourteen billion, eight hundred eighty million, nine hundred six thousand, six hundred twenty-one".