4540931021863 has 4 divisors (see below), whose sum is σ = 4555255725720. Its totient is φ = 4526606318008.

The previous prime is 4540931021801. The next prime is 4540931021933. The reversal of 4540931021863 is 3681201390454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4540931021863 - 2²⁹ = 4540394150951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540931021063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7162351453 + ... + 7162352086.

It is an arithmetic number, because the mean of its divisors is an integer number (1138813931430).

Almost surely, 2^{4540931021863} is an apocalyptic number.

4540931021863 is a deficient number, since it is larger than the sum of its proper divisors (14324703857).

4540931021863 is a wasteful number, since it uses less digits than its factorization.

4540931021863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324703856.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 4540931021863 in words is "four trillion, five hundred forty billion, nine hundred thirty-one million, twenty-one thousand, eight hundred sixty-three".