2454640464543 has 32 divisors (see below), whose sum is σ = 3538449465600. Its totient is φ = 1508495788800.

The previous prime is 2454640464533. The next prime is 2454640464547. The reversal of 2454640464543 is 3454640464542.

It is not a de Polignac number, because 2454640464543 - 2⁴ = 2454640464527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454640464547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499948 + ... + 2271393.

It is an arithmetic number, because the mean of its divisors is an integer number (110576545800).

Almost surely, 2^{2454640464543} is an apocalyptic number.

2454640464543 is a deficient number, since it is larger than the sum of its proper divisors (1083809001057).

2454640464543 is a wasteful number, since it uses less digits than its factorization.

2454640464543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771783.

The product of its (nonzero) digits is 22118400, while the sum is 51.

Subtracting 2454640464543 from its reverse (3454640464542), we obtain a palindrome (999999999999).

The spelling of 2454640464543 in words is "two trillion, four hundred fifty-four billion, six hundred forty million, four hundred sixty-four thousand, five hundred forty-three".