499963801 has 4 divisors (see below), whose sum is σ = 500010192. Its totient is φ = 499917412.

The previous prime is 499963781. The next prime is 499963843. The reversal of 499963801 is 108369994.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 108369994 = 2 ⋅54184997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499963801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499963001) 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, 2346 + ... + 31708.

It is an arithmetic number, because the mean of its divisors is an integer number (125002548).

Almost surely, 2^499963801 is an apocalyptic number.

It is an amenable number.

499963801 is a deficient number, since it is larger than the sum of its proper divisors (46391).

499963801 is a wasteful number, since it uses less digits than its factorization.

499963801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46390.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 499963801 is about 22359.8703260998. The cubic root of 499963801 is about 793.6813714116.

The spelling of 499963801 in words is "four hundred ninety-nine million, nine hundred sixty-three thousand, eight hundred one".