6410239294872 has 128 divisors (see below), whose sum is σ = 18763636469760. Its totient is φ = 1787012098560.

The previous prime is 6410239294871. The next prime is 6410239294873. The reversal of 6410239294872 is 2784929320146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6410239294871) and next prime (6410239294873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6410239294871) 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 31 ways as a sum of consecutive naturals, for example, 377128 + ... + 3600375.

It is an arithmetic number, because the mean of its divisors is an integer number (146590909920).

Almost surely, 2^{6410239294872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6410239294872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9381818234880).

6410239294872 is an abundant number, since it is smaller than the sum of its proper divisors (12353397174888).

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

6410239294872 is a wasteful number, since it uses less digits than its factorization.

6410239294872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977753 (or 3977749 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 6410239294872 in words is "six trillion, four hundred ten billion, two hundred thirty-nine million, two hundred ninety-four thousand, eight hundred seventy-two".