7743604120013 has 2 divisors, whose sum is σ = 7743604120014. Its totient is φ = 7743604120012.

The previous prime is 7743604119983. The next prime is 7743604120027. The reversal of 7743604120013 is 3100214063477.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7743602949289 + 1170724 = 2782733^2 + 1082^2 .

It is an emirp because it is prime and its reverse (3100214063477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7743604120013 - 2¹² = 7743604115917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7743604120313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871802060006 + 3871802060007.

It is an arithmetic number, because the mean of its divisors is an integer number (3871802060007).

Almost surely, 2^{7743604120013} is an apocalyptic number.

It is an amenable number.

7743604120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7743604120013 is an equidigital number, since it uses as much as digits as its factorization.

7743604120013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 7743604120013 in words is "seven trillion, seven hundred forty-three billion, six hundred four million, one hundred twenty thousand, thirteen".