541388444521 has 16 divisors (see below), whose sum is σ = 575152997760. Its totient is φ = 508172555520.

The previous prime is 541388444507. The next prime is 541388444533. The reversal of 541388444521 is 125444883145.

It is a cyclic number.

It is not a de Polignac number, because 541388444521 - 2²³ = 541380055913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541388444591) 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, 601980 + ... + 1202146.

It is an arithmetic number, because the mean of its divisors is an integer number (35947062360).

Almost surely, 2^541388444521 is an apocalyptic number.

It is an amenable number.

541388444521 is a deficient number, since it is larger than the sum of its proper divisors (33764553239).

541388444521 is a wasteful number, since it uses less digits than its factorization.

541388444521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600624.

The product of its digits is 2457600, while the sum is 49.

The spelling of 541388444521 in words is "five hundred forty-one billion, three hundred eighty-eight million, four hundred forty-four thousand, five hundred twenty-one".