8456434186073 has 2 divisors, whose sum is σ = 8456434186074. Its totient is φ = 8456434186072.

The previous prime is 8456434186051. The next prime is 8456434186091. The reversal of 8456434186073 is 3706814346548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4588301089024 + 3868133097049 = 2142032^2 + 1966757^2 .

It is a cyclic number.

It is not a de Polignac number, because 8456434186073 - 2⁶ = 8456434186009 is a prime.

It is a super-2 number, since 2×8456434186073² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8456434186033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228217093036 + 4228217093037.

It is an arithmetic number, because the mean of its divisors is an integer number (4228217093037).

Almost surely, 2^{8456434186073} is an apocalyptic number.

It is an amenable number.

8456434186073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8456434186073 is an equidigital number, since it uses as much as digits as its factorization.

8456434186073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 8456434186073 in words is "eight trillion, four hundred fifty-six billion, four hundred thirty-four million, one hundred eighty-six thousand, seventy-three".