4999 has 2 divisors, whose sum is σ = 5000. Its totient is φ = 4998.
The previous prime is 4993. The next prime is 5003. The reversal of 4999 is 9994.
It is a strong prime.
It is a cyclic number.
It is a trimorphic number since its cube, 124925014999, ends in 4999.
It is not a de Polignac number, because 4999 - 25 = 4967 is a prime.
It is a Chen prime.
4999 is a modest number, since divided by 99 gives 49 as remainder.
4999 is a lucky number.
It is a plaindrome in base 5, base 10 and base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 4999.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499 + 2500.
It is an arithmetic number, because the mean of its divisors is an integer number (2500).
24999 is an apocalyptic number.
4999 is a deficient number, since it is larger than the sum of its proper divisors (1).
4999 is an equidigital number, since it uses as much as digits as its factorization.
4999 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2916, while the sum is 31.
The square root of 4999 is about 70.7036066973. The cubic root of 4999 is about 17.0986194068.
It can be divided in two parts, 49 and 99, that multiplied together give a triangular number (4851 = T98).
The spelling of 4999 in words is "four thousand, nine hundred ninety-nine".
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