26614246106621 has 2 divisors, whose sum is σ = 26614246106622. Its totient is φ = 26614246106620.

The previous prime is 26614246106593. The next prime is 26614246106641. The reversal of 26614246106621 is 12660164241662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24262274205625 + 2351971900996 = 4925675^2 + 1533614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26614246106621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26614246106641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13307123053310 + 13307123053311.

It is an arithmetic number, because the mean of its divisors is an integer number (13307123053311).

Almost surely, 2^{26614246106621} is an apocalyptic number.

It is an amenable number.

26614246106621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26614246106621 is an equidigital number, since it uses as much as digits as its factorization.

26614246106621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 26614246106621 in words is "twenty-six trillion, six hundred fourteen billion, two hundred forty-six million, one hundred six thousand, six hundred twenty-one".