499481470321 has 4 divisors (see below), whose sum is σ = 511097318512. Its totient is φ = 487865622132.

The previous prime is 499481470309. The next prime is 499481470343. The reversal of 499481470321 is 123074184994.

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 499481470321 - 2⁷ = 499481470193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499481470351) 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, 5807924031 + ... + 5807924116.

It is an arithmetic number, because the mean of its divisors is an integer number (127774329628).

Almost surely, 2^499481470321 is an apocalyptic number.

It is an amenable number.

499481470321 is a deficient number, since it is larger than the sum of its proper divisors (11615848191).

499481470321 is a wasteful number, since it uses less digits than its factorization.

499481470321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615848190.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 499481470321 in words is "four hundred ninety-nine billion, four hundred eighty-one million, four hundred seventy thousand, three hundred twenty-one".