7351988669 has 2 divisors, whose sum is σ = 7351988670. Its totient is φ = 7351988668.

The previous prime is 7351988659. The next prime is 7351988671. The reversal of 7351988669 is 9668891537.

It is a happy number.

7351988669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6290076100 + 1061912569 = 79310^2 + 32587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7351988669 - 2²⁴ = 7335211453 is a prime.

It is a super-2 number, since 2×7351988669² (a number of 21 digits) contains 22 as substring.

Together with 7351988671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7351988639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3675994334 + 3675994335.

It is an arithmetic number, because the mean of its divisors is an integer number (3675994335).

Almost surely, 2^7351988669 is an apocalyptic number.

It is an amenable number.

7351988669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7351988669 is an equidigital number, since it uses as much as digits as its factorization.

7351988669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The square root of 7351988669 is about 85743.7383661338. The cubic root of 7351988669 is about 1944.4716234690.

The spelling of 7351988669 in words is "seven billion, three hundred fifty-one million, nine hundred eighty-eight thousand, six hundred sixty-nine".