499040071 has 4 divisors (see below), whose sum is σ = 504184912. Its totient is φ = 493895232.

The previous prime is 499040063. The next prime is 499040081. The reversal of 499040071 is 170040994.

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 499040071 - 2³ = 499040063 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 (499040011) 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, 2572275 + ... + 2572468.

It is an arithmetic number, because the mean of its divisors is an integer number (126046228).

Almost surely, 2^499040071 is an apocalyptic number.

499040071 is a deficient number, since it is larger than the sum of its proper divisors (5144841).

499040071 is an equidigital number, since it uses as much as digits as its factorization.

499040071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144840.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 499040071 is about 22339.2047978436. The cubic root of 499040071 is about 793.1922698172.

The spelling of 499040071 in words is "four hundred ninety-nine million, forty thousand, seventy-one".