499351873 has 4 divisors (see below), whose sum is σ = 521062848. Its totient is φ = 477640900.

The previous prime is 499351861. The next prime is 499351883. The reversal of 499351873 is 378153994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499351873 - 2²¹ = 497254721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499351823) 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, 10855453 + ... + 10855498.

It is an arithmetic number, because the mean of its divisors is an integer number (130265712).

Almost surely, 2^499351873 is an apocalyptic number.

It is an amenable number.

499351873 is a deficient number, since it is larger than the sum of its proper divisors (21710975).

499351873 is a wasteful number, since it uses less digits than its factorization.

499351873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21710974.

The product of its digits is 816480, while the sum is 49.

The square root of 499351873 is about 22346.1825151411. The cubic root of 499351873 is about 793.3574318685.

The spelling of 499351873 in words is "four hundred ninety-nine million, three hundred fifty-one thousand, eight hundred seventy-three".