2402129999 has 4 divisors (see below), whose sum is σ = 2402228280. Its totient is φ = 2402031720.

The previous prime is 2402129957. The next prime is 2402130013. The reversal of 2402129999 is 9999212042.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402129999 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 (2402122999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19244 + ... + 71934.

It is an arithmetic number, because the mean of its divisors is an integer number (600557070).

Almost surely, 2^2402129999 is an apocalyptic number.

2402129999 is a deficient number, since it is larger than the sum of its proper divisors (98281).

2402129999 is an equidigital number, since it uses as much as digits as its factorization.

2402129999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98280.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 2402129999 is about 49011.5292456785. The cubic root of 2402129999 is about 1339.2618640244.

The spelling of 2402129999 in words is "two billion, four hundred two million, one hundred twenty-nine thousand, nine hundred ninety-nine".