1300921338681 has 8 divisors (see below), whose sum is σ = 1927290872160. Its totient is φ = 867280892436.

The previous prime is 1300921338671. The next prime is 1300921338719. The reversal of 1300921338681 is 1868331290031.

1300921338681 is a `hidden beast` number, since 1 + 300 + 9 + 2 + 1 + 338 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 1300921338681 - 2⁵ = 1300921338649 is a prime.

It is a super-2 number, since 2×1300921338681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1300921338671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24091135875 + ... + 24091135928.

It is an arithmetic number, because the mean of its divisors is an integer number (240911359020).

Almost surely, 2^{1300921338681} is an apocalyptic number.

It is an amenable number.

1300921338681 is a deficient number, since it is larger than the sum of its proper divisors (626369533479).

1300921338681 is an equidigital number, since it uses as much as digits as its factorization.

1300921338681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48182271812 (or 48182271806 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 1300921338681 in words is "one trillion, three hundred billion, nine hundred twenty-one million, three hundred thirty-eight thousand, six hundred eighty-one".