7485495709 has 4 divisors (see below), whose sum is σ = 7925819004. Its totient is φ = 7045172416.

The previous prime is 7485495679. The next prime is 7485495733. The reversal of 7485495709 is 9075945847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4596433209 + 2889062500 = 67797^2 + 53750^2 .

It is a cyclic number.

It is not a de Polignac number, because 7485495709 - 2⁷ = 7485495581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485495779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220161622 + ... + 220161655.

It is an arithmetic number, because the mean of its divisors is an integer number (1981454751).

Almost surely, 2^7485495709 is an apocalyptic number.

It is an amenable number.

7485495709 is a deficient number, since it is larger than the sum of its proper divisors (440323295).

7485495709 is a wasteful number, since it uses less digits than its factorization.

7485495709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440323294.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The square root of 7485495709 is about 86518.7592895321. The cubic root of 7485495709 is about 1956.1711756335.

The spelling of 7485495709 in words is "seven billion, four hundred eighty-five million, four hundred ninety-five thousand, seven hundred nine".