6435353604249 has 12 divisors (see below), whose sum is σ = 9639788938416. Its totient is φ = 4290235736004.

The previous prime is 6435353604233. The next prime is 6435353604257. The reversal of 6435353604249 is 9424063535346.

6435353604249 is a `hidden beast` number, since 6 + 4 + 3 + 5 + 3 + 5 + 3 + 604 + 24 + 9 = 666.

It is not a de Polignac number, because 6435353604249 - 2⁴ = 6435353604233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6435353604195 and 6435353604204.

It is not an unprimeable number, because it can be changed into a prime (6435353604299) 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 in 11 ways as a sum of consecutive naturals, for example, 13241468079 + ... + 13241468564.

It is an arithmetic number, because the mean of its divisors is an integer number (803315744868).

Almost surely, 2^{6435353604249} is an apocalyptic number.

It is an amenable number.

6435353604249 is a deficient number, since it is larger than the sum of its proper divisors (3204435334167).

6435353604249 is an equidigital number, since it uses as much as digits as its factorization.

6435353604249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26482936658 (or 26482936646 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 54.

The spelling of 6435353604249 in words is "six trillion, four hundred thirty-five billion, three hundred fifty-three million, six hundred four thousand, two hundred forty-nine".