8142208155413 has 2 divisors, whose sum is σ = 8142208155414. Its totient is φ = 8142208155412.

The previous prime is 8142208155379. The next prime is 8142208155443. The reversal of 8142208155413 is 3145518022418.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7450153873009 + 692054282404 = 2729497^2 + 831898^2 .

It is a cyclic number.

It is not a de Polignac number, because 8142208155413 - 2⁸ = 8142208155157 is a prime.

It is a super-2 number, since 2×8142208155413² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8142208155443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071104077706 + 4071104077707.

It is an arithmetic number, because the mean of its divisors is an integer number (4071104077707).

Almost surely, 2^{8142208155413} is an apocalyptic number.

It is an amenable number.

8142208155413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142208155413 is an equidigital number, since it uses as much as digits as its factorization.

8142208155413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 8142208155413 in words is "eight trillion, one hundred forty-two billion, two hundred eight million, one hundred fifty-five thousand, four hundred thirteen".