42454113102073 has 2 divisors, whose sum is σ = 42454113102074. Its totient is φ = 42454113102072.

The previous prime is 42454113102007. The next prime is 42454113102077. The reversal of 42454113102073 is 37020131145424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42196625867449 + 257487234624 = 6495893^2 + 507432^2 .

It is a cyclic number.

It is not a de Polignac number, because 42454113102073 - 2¹³ = 42454113093881 is a prime.

It is not a weakly prime, because it can be changed into another prime (42454113102077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227056551036 + 21227056551037.

It is an arithmetic number, because the mean of its divisors is an integer number (21227056551037).

Almost surely, 2^{42454113102073} is an apocalyptic number.

It is an amenable number.

42454113102073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454113102073 is an equidigital number, since it uses as much as digits as its factorization.

42454113102073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 42454113102073 its reverse (37020131145424), we get a palindrome (79474244247497).

The spelling of 42454113102073 in words is "forty-two trillion, four hundred fifty-four billion, one hundred thirteen million, one hundred two thousand, seventy-three".