7485529169 has 2 divisors, whose sum is σ = 7485529170. Its totient is φ = 7485529168.

The previous prime is 7485529157. The next prime is 7485529171. The reversal of 7485529169 is 9619255847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7338149569 + 147379600 = 85663^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 7485529169 - 2⁴ = 7485529153 is a prime.

It is a super-2 number, since 2×7485529169² (a number of 21 digits) contains 22 as substring.

Together with 7485529171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7485529109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3742764584 + 3742764585.

It is an arithmetic number, because the mean of its divisors is an integer number (3742764585).

Almost surely, 2^7485529169 is an apocalyptic number.

It is an amenable number.

7485529169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7485529169 is an equidigital number, since it uses as much as digits as its factorization.

7485529169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 56.

The square root of 7485529169 is about 86518.9526577848. The cubic root of 7485529169 is about 1956.1740903098.

The spelling of 7485529169 in words is "seven billion, four hundred eighty-five million, five hundred twenty-nine thousand, one hundred sixty-nine".