4254540012543 has 16 divisors (see below), whose sum is σ = 5705682103296. Its totient is φ = 2819921172480.

The previous prime is 4254540012539. The next prime is 4254540012551. The reversal of 4254540012543 is 3452100454524.

It is not a de Polignac number, because 4254540012543 - 2² = 4254540012539 is a prime.

It is a super-2 number, since 2×4254540012543² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4254540012533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872303 + ... + 5678768.

It is an arithmetic number, because the mean of its divisors is an integer number (356605131456).

Almost surely, 2^{4254540012543} is an apocalyptic number.

4254540012543 is a deficient number, since it is larger than the sum of its proper divisors (1451142090753).

4254540012543 is a wasteful number, since it uses less digits than its factorization.

4254540012543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551854.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 4254540012543 in words is "four trillion, two hundred fifty-four billion, five hundred forty million, twelve thousand, five hundred forty-three".