545717148617 has 2 divisors, whose sum is σ = 545717148618. Its totient is φ = 545717148616.

The previous prime is 545717148611. The next prime is 545717148653. The reversal of 545717148617 is 716841717545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354821557561 + 190895591056 = 595669^2 + 436916^2 .

It is a cyclic number.

It is not a de Polignac number, because 545717148617 - 2¹² = 545717144521 is a prime.

It is a super-3 number, since 3×545717148617³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (545717148611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272858574308 + 272858574309.

It is an arithmetic number, because the mean of its divisors is an integer number (272858574309).

Almost surely, 2^545717148617 is an apocalyptic number.

It is an amenable number.

545717148617 is a deficient number, since it is larger than the sum of its proper divisors (1).

545717148617 is an equidigital number, since it uses as much as digits as its factorization.

545717148617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 56.

The spelling of 545717148617 in words is "five hundred forty-five billion, seven hundred seventeen million, one hundred forty-eight thousand, six hundred seventeen".