8738497169 has 2 divisors, whose sum is σ = 8738497170. Its totient is φ = 8738497168.

The previous prime is 8738497153. The next prime is 8738497189. The reversal of 8738497169 is 9617948378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4534271569 + 4204225600 = 67337^2 + 64840^2 .

It is a cyclic number.

It is not a de Polignac number, because 8738497169 - 2⁴ = 8738497153 is a prime.

It is a super-2 number, since 2×8738497169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8738497189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4369248584 + 4369248585.

It is an arithmetic number, because the mean of its divisors is an integer number (4369248585).

Almost surely, 2^8738497169 is an apocalyptic number.

It is an amenable number.

8738497169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8738497169 is an equidigital number, since it uses as much as digits as its factorization.

8738497169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 62.

The square root of 8738497169 is about 93479.9292308247. The cubic root of 8738497169 is about 2059.7392739587.

The spelling of 8738497169 in words is "eight billion, seven hundred thirty-eight million, four hundred ninety-seven thousand, one hundred sixty-nine".