499227980423 has 4 divisors (see below), whose sum is σ = 499883996928. Its totient is φ = 498571963920.

The previous prime is 499227980411. The next prime is 499227980437. The reversal of 499227980423 is 324089722994.

It is a happy number.

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 499227980423 - 2¹⁰ = 499227979399 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 (499227080423) 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, 328007111 + ... + 328008632.

It is an arithmetic number, because the mean of its divisors is an integer number (124970999232).

Almost surely, 2^499227980423 is an apocalyptic number.

499227980423 is a deficient number, since it is larger than the sum of its proper divisors (656016505).

499227980423 is an equidigital number, since it uses as much as digits as its factorization.

499227980423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656016504.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 499227980423 in words is "four hundred ninety-nine billion, two hundred twenty-seven million, nine hundred eighty thousand, four hundred twenty-three".