6147065680961 has 2 divisors, whose sum is σ = 6147065680962. Its totient is φ = 6147065680960.

The previous prime is 6147065680937. The next prime is 6147065680999. The reversal of 6147065680961 is 1690865607416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4606041376561 + 1541024304400 = 2146169^2 + 1241380^2 .

It is a cyclic number.

It is not a de Polignac number, because 6147065680961 - 2²⁶ = 6146998572097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6147065680961.

It is not a weakly prime, because it can be changed into another prime (6147065680661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073532840480 + 3073532840481.

It is an arithmetic number, because the mean of its divisors is an integer number (3073532840481).

Almost surely, 2^{6147065680961} is an apocalyptic number.

It is an amenable number.

6147065680961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6147065680961 is an equidigital number, since it uses as much as digits as its factorization.

6147065680961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 6147065680961 in words is "six trillion, one hundred forty-seven billion, sixty-five million, six hundred eighty thousand, nine hundred sixty-one".