545865324487 has 6 divisors (see below), whose sum is σ = 634986193848. Its totient is φ = 467884563804.

The previous prime is 545865324481. The next prime is 545865324493. The reversal of 545865324487 is 784423568545.

It is an interprime number because it is at equal distance from previous prime (545865324481) and next prime (545865324493).

It is a de Polignac number, because none of the positive numbers 2^k-545865324487 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 (545865324481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5570054283 + ... + 5570054380.

It is an arithmetic number, because the mean of its divisors is an integer number (105831032308).

Almost surely, 2^545865324487 is an apocalyptic number.

545865324487 is a deficient number, since it is larger than the sum of its proper divisors (89120869361).

545865324487 is a wasteful number, since it uses less digits than its factorization.

545865324487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140108677 (or 11140108670 counting only the distinct ones).

The product of its digits is 129024000, while the sum is 61.

The spelling of 545865324487 in words is "five hundred forty-five billion, eight hundred sixty-five million, three hundred twenty-four thousand, four hundred eighty-seven".