1297361596608 has 448 divisors, whose sum is σ = 4765530931200. Its totient is φ = 336239354880.

The previous prime is 1297361596537. The next prime is 1297361596627. The reversal of 1297361596608 is 8066951637921.

1297361596608 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 3 + 6 + 15 + 9 + 6 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×1297361596608² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62126713 + ... + 62147591.

Almost surely, 2^{1297361596608} is an apocalyptic number.

1297361596608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297361596608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382765465600).

1297361596608 is an abundant number, since it is smaller than the sum of its proper divisors (3468169334592).

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

1297361596608 is a wasteful number, since it uses less digits than its factorization.

1297361596608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385 (or 21369 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 1297361596608 in words is "one trillion, two hundred ninety-seven billion, three hundred sixty-one million, five hundred ninety-six thousand, six hundred eight".