7158118469 has 2 divisors, whose sum is σ = 7158118470. Its totient is φ = 7158118468.

The previous prime is 7158118423. The next prime is 7158118507. The reversal of 7158118469 is 9648118517.

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., 5481625444 + 1676493025 = 74038^2 + 40945^2 .

It is a cyclic number.

It is not a de Polignac number, because 7158118469 - 2¹⁶ = 7158052933 is a prime.

It is a super-2 number, since 2×7158118469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7158118369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3579059234 + 3579059235.

It is an arithmetic number, because the mean of its divisors is an integer number (3579059235).

Almost surely, 2^7158118469 is an apocalyptic number.

It is an amenable number.

7158118469 is a deficient number, since it is larger than the sum of its proper divisors (1).

7158118469 is an equidigital number, since it uses as much as digits as its factorization.

7158118469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 50.

The square root of 7158118469 is about 84605.6645207636. The cubic root of 7158118469 is about 1927.2273958721.

The spelling of 7158118469 in words is "seven billion, one hundred fifty-eight million, one hundred eighteen thousand, four hundred sixty-nine".