8494665137797 has 2 divisors, whose sum is σ = 8494665137798. Its totient is φ = 8494665137796.

The previous prime is 8494665137773. The next prime is 8494665137857. The reversal of 8494665137797 is 7977315664948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4336385595201 + 4158279542596 = 2082399^2 + 2039186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8494665137797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8494665197797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247332568898 + 4247332568899.

It is an arithmetic number, because the mean of its divisors is an integer number (4247332568899).

Almost surely, 2^{8494665137797} is an apocalyptic number.

It is an amenable number.

8494665137797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8494665137797 is an equidigital number, since it uses as much as digits as its factorization.

8494665137797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920360960, while the sum is 76.

The spelling of 8494665137797 in words is "eight trillion, four hundred ninety-four billion, six hundred sixty-five million, one hundred thirty-seven thousand, seven hundred ninety-seven".