7685961129541 has 2 divisors, whose sum is σ = 7685961129542. Its totient is φ = 7685961129540.

The previous prime is 7685961129527. The next prime is 7685961129611. The reversal of 7685961129541 is 1459211695867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7685763727041 + 197402500 = 2772321^2 + 14050^2 .

It is an emirp because it is prime and its reverse (1459211695867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7685961129541 - 2³³ = 7677371194949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7685911129541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842980564770 + 3842980564771.

It is an arithmetic number, because the mean of its divisors is an integer number (3842980564771).

Almost surely, 2^{7685961129541} is an apocalyptic number.

It is an amenable number.

7685961129541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7685961129541 is an equidigital number, since it uses as much as digits as its factorization.

7685961129541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 64.

The spelling of 7685961129541 in words is "seven trillion, six hundred eighty-five billion, nine hundred sixty-one million, one hundred twenty-nine thousand, five hundred forty-one".