4536545491 has 8 divisors (see below), whose sum is σ = 4649244768. Its totient is φ = 4423944000.

The previous prime is 4536545479. The next prime is 4536545513. The reversal of 4536545491 is 1945456354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4536545491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4536545401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74386 + ... + 120856.

It is an arithmetic number, because the mean of its divisors is an integer number (581155596).

Almost surely, 2^4536545491 is an apocalyptic number.

4536545491 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4536545491 is a deficient number, since it is larger than the sum of its proper divisors (112699277).

4536545491 is a wasteful number, since it uses less digits than its factorization.

4536545491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48893.

The product of its digits is 1296000, while the sum is 46.

The square root of 4536545491 is about 67353.8825235784. The cubic root of 4536545491 is about 1655.4208597962.

The spelling of 4536545491 in words is "four billion, five hundred thirty-six million, five hundred forty-five thousand, four hundred ninety-one".