8113741270421 has 2 divisors, whose sum is σ = 8113741270422. Its totient is φ = 8113741270420.

The previous prime is 8113741270417. The next prime is 8113741270433. The reversal of 8113741270421 is 1240721473118.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5244237400900 + 2869503869521 = 2290030^2 + 1693961^2 .

It is a cyclic number.

It is not a de Polignac number, because 8113741270421 - 2² = 8113741270417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8113741270441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056870635210 + 4056870635211.

It is an arithmetic number, because the mean of its divisors is an integer number (4056870635211).

Almost surely, 2^{8113741270421} is an apocalyptic number.

It is an amenable number.

8113741270421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113741270421 is an equidigital number, since it uses as much as digits as its factorization.

8113741270421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 8113741270421 in words is "eight trillion, one hundred thirteen billion, seven hundred forty-one million, two hundred seventy thousand, four hundred twenty-one".