499983101 has 4 divisors (see below), whose sum is σ = 500048604. Its totient is φ = 499917600.

The previous prime is 499983091. The next prime is 499983149. The reversal of 499983101 is 101389994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101389994 = 2 ⋅50694997.

It can be written as a sum of positive squares in 2 ways, for example, as 283922500 + 216060601 = 16850^2 + 14699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499983101 is a prime.

It is a super-3 number, since 3×499983101³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499973101) 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, 19520 + ... + 37161.

It is an arithmetic number, because the mean of its divisors is an integer number (125012151).

Almost surely, 2^499983101 is an apocalyptic number.

It is an amenable number.

499983101 is a deficient number, since it is larger than the sum of its proper divisors (65503).

499983101 is an equidigital number, since it uses as much as digits as its factorization.

499983101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 499983101 is about 22360.3018986775. The cubic root of 499983101 is about 793.6915840532.

The spelling of 499983101 in words is "four hundred ninety-nine million, nine hundred eighty-three thousand, one hundred one".