7385121796769 has 2 divisors, whose sum is σ = 7385121796770. Its totient is φ = 7385121796768.

The previous prime is 7385121796709. The next prime is 7385121796813. The reversal of 7385121796769 is 9676971215837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7383175840000 + 1945956769 = 2717200^2 + 44113^2 .

It is an emirp because it is prime and its reverse (9676971215837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7385121796769 - 2²⁰ = 7385120748193 is a prime.

It is a super-2 number, since 2×7385121796769² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7385121796709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3692560898384 + 3692560898385.

It is an arithmetic number, because the mean of its divisors is an integer number (3692560898385).

Almost surely, 2^{7385121796769} is an apocalyptic number.

It is an amenable number.

7385121796769 is a deficient number, since it is larger than the sum of its proper divisors (1).

7385121796769 is an equidigital number, since it uses as much as digits as its factorization.

7385121796769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240045120, while the sum is 71.

The spelling of 7385121796769 in words is "seven trillion, three hundred eighty-five billion, one hundred twenty-one million, seven hundred ninety-six thousand, seven hundred sixty-nine".