2421043019099 has 2 divisors, whose sum is σ = 2421043019100. Its totient is φ = 2421043019098.

The previous prime is 2421043019089. The next prime is 2421043019147. The reversal of 2421043019099 is 9909103401242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421043019099 - 2⁸ = 2421043018843 is a prime.

It is a super-2 number, since 2×2421043019099² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2421043019009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210521509549 + 1210521509550.

It is an arithmetic number, because the mean of its divisors is an integer number (1210521509550).

Almost surely, 2^{2421043019099} is an apocalyptic number.

2421043019099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421043019099 is an equidigital number, since it uses as much as digits as its factorization.

2421043019099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 2421043019099 in words is "two trillion, four hundred twenty-one billion, forty-three million, nineteen thousand, ninety-nine".