7994164769 has 2 divisors, whose sum is σ = 7994164770. Its totient is φ = 7994164768.

The previous prime is 7994164753. The next prime is 7994164859. The reversal of 7994164769 is 9674614997.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7659750400 + 334414369 = 87520^2 + 18287^2 .

It is a cyclic number.

It is not a de Polignac number, because 7994164769 - 2⁴ = 7994164753 is a prime.

It is a super-2 number, since 2×7994164769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7994124769) 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, 3997082384 + 3997082385.

It is an arithmetic number, because the mean of its divisors is an integer number (3997082385).

Almost surely, 2^7994164769 is an apocalyptic number.

It is an amenable number.

7994164769 is a deficient number, since it is larger than the sum of its proper divisors (1).

7994164769 is an equidigital number, since it uses as much as digits as its factorization.

7994164769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 62.

The square root of 7994164769 is about 89410.0932165938. The cubic root of 7994164769 is about 1999.5136124732.

The spelling of 7994164769 in words is "seven billion, nine hundred ninety-four million, one hundred sixty-four thousand, seven hundred sixty-nine".