499481667 has 8 divisors (see below), whose sum is σ = 739972880. Its totient is φ = 332987760.

The previous prime is 499481651. The next prime is 499481677. The reversal of 499481667 is 766184994.

It is not a de Polignac number, because 499481667 - 2⁴ = 499481651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499481677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9249634 + ... + 9249687.

It is an arithmetic number, because the mean of its divisors is an integer number (92496610).

Almost surely, 2^499481667 is an apocalyptic number.

499481667 is a deficient number, since it is larger than the sum of its proper divisors (240491213).

499481667 is a wasteful number, since it uses less digits than its factorization.

499481667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18499330 (or 18499324 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 499481667 is about 22349.0864913983. The cubic root of 499481667 is about 793.4261637051.

It can be divided in two parts, 49948 and 1667, that added together give a palindrome (51615).

The spelling of 499481667 in words is "four hundred ninety-nine million, four hundred eighty-one thousand, six hundred sixty-seven".