82413855322457 has 2 divisors, whose sum is σ = 82413855322458. Its totient is φ = 82413855322456.

The previous prime is 82413855322423. The next prime is 82413855322507. The reversal of 82413855322457 is 75422355831428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64091936993536 + 18321918328921 = 8005744^2 + 4280411^2 .

It is a cyclic number.

It is not a de Polignac number, because 82413855322457 - 2³⁴ = 82396675453273 is a prime.

It is a super-2 number, since 2×82413855322457² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82413855322396 and 82413855322405.

It is not a weakly prime, because it can be changed into another prime (82413855322157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41206927661228 + 41206927661229.

It is an arithmetic number, because the mean of its divisors is an integer number (41206927661229).

Almost surely, 2^{82413855322457} is an apocalyptic number.

It is an amenable number.

82413855322457 is a deficient number, since it is larger than the sum of its proper divisors (1).

82413855322457 is an equidigital number, since it uses as much as digits as its factorization.

82413855322457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512000, while the sum is 59.

The spelling of 82413855322457 in words is "eighty-two trillion, four hundred thirteen billion, eight hundred fifty-five million, three hundred twenty-two thousand, four hundred fifty-seven".