6409790241855 has 512 divisors, whose sum is σ = 14896710549504. Its totient is φ = 2264371200000.

The previous prime is 6409790241847. The next prime is 6409790241857. The reversal of 6409790241855 is 5581420979046.

It is not a de Polignac number, because 6409790241855 - 2³ = 6409790241847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409790241857) 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 511 ways as a sum of consecutive naturals, for example, 3285386130 + ... + 3285388080.

It is an arithmetic number, because the mean of its divisors is an integer number (29095137792).

Almost surely, 2^{6409790241855} is an apocalyptic number.

6409790241855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6409790241855 is an abundant number, since it is smaller than the sum of its proper divisors (8486920307649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6409790241855 is a wasteful number, since it uses less digits than its factorization.

6409790241855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279.

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 6409790241855 in words is "six trillion, four hundred nine billion, seven hundred ninety million, two hundred forty-one thousand, eight hundred fifty-five".