9131399680001 has 2 divisors, whose sum is σ = 9131399680002. Its totient is φ = 9131399680000.

The previous prime is 9131399679973. The next prime is 9131399680061. The reversal of 9131399680001 is 1000869931319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4892944000000 + 4238455680001 = 2212000^2 + 2058751^2 .

It is a cyclic number.

It is not a de Polignac number, because 9131399680001 - 2²² = 9131395485697 is a prime.

It is not a weakly prime, because it can be changed into another prime (9131399680061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4565699840000 + 4565699840001.

It is an arithmetic number, because the mean of its divisors is an integer number (4565699840001).

Almost surely, 2^{9131399680001} is an apocalyptic number.

It is an amenable number.

9131399680001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9131399680001 is an equidigital number, since it uses as much as digits as its factorization.

9131399680001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 9131399680001 in words is "nine trillion, one hundred thirty-one billion, three hundred ninety-nine million, six hundred eighty thousand, one".