8122281293629 has 2 divisors, whose sum is σ = 8122281293630. Its totient is φ = 8122281293628.

The previous prime is 8122281293543. The next prime is 8122281293663. The reversal of 8122281293629 is 9263921822218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7820356320100 + 301924973529 = 2796490^2 + 549477^2 .

It is a cyclic number.

It is not a de Polignac number, because 8122281293629 - 2¹⁹ = 8122280769341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8122281293629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8122281291629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061140646814 + 4061140646815.

It is an arithmetic number, because the mean of its divisors is an integer number (4061140646815).

Almost surely, 2^{8122281293629} is an apocalyptic number.

It is an amenable number.

8122281293629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8122281293629 is an equidigital number, since it uses as much as digits as its factorization.

8122281293629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 55.

The spelling of 8122281293629 in words is "eight trillion, one hundred twenty-two billion, two hundred eighty-one million, two hundred ninety-three thousand, six hundred twenty-nine".