499201543 has 4 divisors (see below), whose sum is σ = 499282560. Its totient is φ = 499120528.

The previous prime is 499201531. The next prime is 499201589. The reversal of 499201543 is 345102994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499201543 - 2⁵ = 499201511 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 (499201943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30430 + ... + 43867.

It is an arithmetic number, because the mean of its divisors is an integer number (124820640).

Almost surely, 2^499201543 is an apocalyptic number.

499201543 is a deficient number, since it is larger than the sum of its proper divisors (81017).

499201543 is an equidigital number, since it uses as much as digits as its factorization.

499201543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81016.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 499201543 is about 22342.8186001677. The cubic root of 499201543 is about 793.2778103968.

The spelling of 499201543 in words is "four hundred ninety-nine million, two hundred one thousand, five hundred forty-three".