73545401011717 has 2 divisors, whose sum is σ = 73545401011718. Its totient is φ = 73545401011716.

The previous prime is 73545401011711. The next prime is 73545401011727. The reversal of 73545401011717 is 71711010454537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43582192025761 + 29963208985956 = 6601681^2 + 5473866^2 .

It is a cyclic number.

It is not a de Polignac number, because 73545401011717 - 2¹⁵ = 73545400978949 is a prime.

It is a super-4 number, since 4×73545401011717⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73545401011711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36772700505858 + 36772700505859.

It is an arithmetic number, because the mean of its divisors is an integer number (36772700505859).

Almost surely, 2^{73545401011717} is an apocalyptic number.

It is an amenable number.

73545401011717 is a deficient number, since it is larger than the sum of its proper divisors (1).

73545401011717 is an equidigital number, since it uses as much as digits as its factorization.

73545401011717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 73545401011717 in words is "seventy-three trillion, five hundred forty-five billion, four hundred one million, eleven thousand, seven hundred seventeen".