540454112173 has 2 divisors, whose sum is σ = 540454112174. Its totient is φ = 540454112172.

The previous prime is 540454112167. The next prime is 540454112227. The reversal of 540454112173 is 371211454045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408425802724 + 132028309449 = 639082^2 + 363357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540454112173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540454112123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270227056086 + 270227056087.

It is an arithmetic number, because the mean of its divisors is an integer number (270227056087).

Almost surely, 2^540454112173 is an apocalyptic number.

It is an amenable number.

540454112173 is a deficient number, since it is larger than the sum of its proper divisors (1).

540454112173 is an equidigital number, since it uses as much as digits as its factorization.

540454112173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 540454112173 in words is "five hundred forty billion, four hundred fifty-four million, one hundred twelve thousand, one hundred seventy-three".