4541144021887 has 16 divisors (see below), whose sum is σ = 5069297059200. Its totient is φ = 4032215560800.

The previous prime is 4541144021857. The next prime is 4541144021933. The reversal of 4541144021887 is 7881204411454.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4541144021887 is a prime.

It is a super-3 number, since 3×4541144021887³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4541144021887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541144021857) 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, 30172812 + ... + 30322942.

It is an arithmetic number, because the mean of its divisors is an integer number (316831066200).

Almost surely, 2^{4541144021887} is an apocalyptic number.

4541144021887 is a deficient number, since it is larger than the sum of its proper divisors (528153037313).

4541144021887 is a wasteful number, since it uses less digits than its factorization.

4541144021887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214134.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 4541144021887 in words is "four trillion, five hundred forty-one billion, one hundred forty-four million, twenty-one thousand, eight hundred eighty-seven".