6546405503 has 8 divisors (see below), whose sum is σ = 7258608336. Its totient is φ = 5853715200.

The previous prime is 6546405497. The next prime is 6546405553. The reversal of 6546405503 is 3055046456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6546405503 - 2²⁸ = 6277970047 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 (6546405553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4877426 + ... + 4878767.

It is an arithmetic number, because the mean of its divisors is an integer number (907326042).

Almost surely, 2^6546405503 is an apocalyptic number.

6546405503 is a deficient number, since it is larger than the sum of its proper divisors (712202833).

6546405503 is a wasteful number, since it uses less digits than its factorization.

6546405503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756265.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 6546405503 is about 80909.8603570665. The cubic root of 6546405503 is about 1870.6863088503.

The spelling of 6546405503 in words is "six billion, five hundred forty-six million, four hundred five thousand, five hundred three".