6397268435376 has 320 divisors, whose sum is σ = 21432441569280. Its totient is φ = 1596758676480.

The previous prime is 6397268435347. The next prime is 6397268435377. The reversal of 6397268435376 is 6735348627936.

It is a super-2 number, since 2×6397268435376² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6397268435376.

It is not an unprimeable number, because it can be changed into a prime (6397268435377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82206181 + ... + 82283963.

It is an arithmetic number, because the mean of its divisors is an integer number (66976379904).

Almost surely, 2^{6397268435376} 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 6397268435376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10716220784640).

6397268435376 is an abundant number, since it is smaller than the sum of its proper divisors (15035173133904).

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

6397268435376 is a wasteful number, since it uses less digits than its factorization.

6397268435376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78824 (or 78818 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 69.

The spelling of 6397268435376 in words is "six trillion, three hundred ninety-seven billion, two hundred sixty-eight million, four hundred thirty-five thousand, three hundred seventy-six".