7694884121 has 2 divisors, whose sum is σ = 7694884122. Its totient is φ = 7694884120.

The previous prime is 7694884091. The next prime is 7694884123. The reversal of 7694884121 is 1214884967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4194505225 + 3500378896 = 64765^2 + 59164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7694884121 is a prime.

It is a super-2 number, since 2×7694884121² (a number of 21 digits) contains 22 as substring.

Together with 7694884123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7694884121.

It is not a weakly prime, because it can be changed into another prime (7694884123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3847442060 + 3847442061.

It is an arithmetic number, because the mean of its divisors is an integer number (3847442061).

Almost surely, 2^7694884121 is an apocalyptic number.

It is an amenable number.

7694884121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7694884121 is an equidigital number, since it uses as much as digits as its factorization.

7694884121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 7694884121 is about 87720.4886044304. The cubic root of 7694884121 is about 1974.2433994296.

The spelling of 7694884121 in words is "seven billion, six hundred ninety-four million, eight hundred eighty-four thousand, one hundred twenty-one".