7701316640989 has 2 divisors, whose sum is σ = 7701316640990. Its totient is φ = 7701316640988.

The previous prime is 7701316640971. The next prime is 7701316640993. The reversal of 7701316640989 is 9890466131077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6945686308089 + 755630332900 = 2635467^2 + 869270^2 .

It is a cyclic number.

It is not a de Polignac number, because 7701316640989 - 2¹³ = 7701316632797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7701316640959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850658320494 + 3850658320495.

It is an arithmetic number, because the mean of its divisors is an integer number (3850658320495).

Almost surely, 2^{7701316640989} is an apocalyptic number.

It is an amenable number.

7701316640989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7701316640989 is an equidigital number, since it uses as much as digits as its factorization.

7701316640989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 7701316640989 in words is "seven trillion, seven hundred one billion, three hundred sixteen million, six hundred forty thousand, nine hundred eighty-nine".