9902459023459 has 2 divisors, whose sum is σ = 9902459023460. Its totient is φ = 9902459023458.

The previous prime is 9902459023451. The next prime is 9902459023543. The reversal of 9902459023459 is 9543209542099.

It is a weak prime.

It is an emirp because it is prime and its reverse (9543209542099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9902459023459 - 2³ = 9902459023451 is a prime.

It is a super-2 number, since 2×9902459023459² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9902459023397 and 9902459023406.

It is not a weakly prime, because it can be changed into another prime (9902459023451) 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 as a sum of consecutive naturals, namely, 4951229511729 + 4951229511730.

It is an arithmetic number, because the mean of its divisors is an integer number (4951229511730).

Almost surely, 2^{9902459023459} is an apocalyptic number.

9902459023459 is a deficient number, since it is larger than the sum of its proper divisors (1).

9902459023459 is an equidigital number, since it uses as much as digits as its factorization.

9902459023459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 9902459023459 in words is "nine trillion, nine hundred two billion, four hundred fifty-nine million, twenty-three thousand, four hundred fifty-nine".