499140291 has 8 divisors (see below), whose sum is σ = 716714320. Its totient is φ = 307163232.

The previous prime is 499140263. The next prime is 499140311. The reversal of 499140291 is 192041994.

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

It is not a de Polignac number, because 499140291 - 2⁹ = 499139779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 12798469 = 499140291 / (4 + 9 + 9 + 1 + 4 + 0 + 2 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499140211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6399196 + ... + 6399273.

It is an arithmetic number, because the mean of its divisors is an integer number (89589290).

Almost surely, 2^499140291 is an apocalyptic number.

499140291 is a deficient number, since it is larger than the sum of its proper divisors (217574029).

499140291 is a wasteful number, since it uses less digits than its factorization.

499140291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12798485.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 499140291 is about 22341.4478268531. The cubic root of 499140291 is about 793.2453640228.

The spelling of 499140291 in words is "four hundred ninety-nine million, one hundred forty thousand, two hundred ninety-one".