499677729 has 4 divisors (see below), whose sum is σ = 666236976. Its totient is φ = 333118484.

The previous prime is 499677721. The next prime is 499677733. The reversal of 499677729 is 927776994.

It is a happy number.

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 499677729 - 2³ = 499677721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499677721) 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, 83279619 + ... + 83279624.

It is an arithmetic number, because the mean of its divisors is an integer number (166559244).

Almost surely, 2^499677729 is an apocalyptic number.

It is an amenable number.

499677729 is a deficient number, since it is larger than the sum of its proper divisors (166559247).

499677729 is a wasteful number, since it uses less digits than its factorization.

499677729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166559246.

The product of its digits is 12002256, while the sum is 60.

The square root of 499677729 is about 22353.4724148173. The cubic root of 499677729 is about 793.5299648928.

The spelling of 499677729 in words is "four hundred ninety-nine million, six hundred seventy-seven thousand, seven hundred twenty-nine".