4540012143973 has 2 divisors, whose sum is σ = 4540012143974. Its totient is φ = 4540012143972.

The previous prime is 4540012143937. The next prime is 4540012144021. The reversal of 4540012143973 is 3793412100454.

Together with previous prime (4540012143937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4456223894529 + 83788249444 = 2110977^2 + 289462^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540012143973 - 2²⁹ = 4539475273061 is a prime.

It is a super-2 number, since 2×4540012143973² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540012143913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270006071986 + 2270006071987.

It is an arithmetic number, because the mean of its divisors is an integer number (2270006071987).

Almost surely, 2^{4540012143973} is an apocalyptic number.

It is an amenable number.

4540012143973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540012143973 is an equidigital number, since it uses as much as digits as its factorization.

4540012143973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 4540012143973 in words is "four trillion, five hundred forty billion, twelve million, one hundred forty-three thousand, nine hundred seventy-three".