7485449665 has 32 divisors (see below), whose sum is σ = 9521971200. Its totient is φ = 5633369280.

The previous prime is 7485449651. The next prime is 7485449677. The reversal of 7485449665 is 5669445847.

7485449665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7485449665 - 2²⁹ = 6948578753 is a prime.

It is a super-2 number, since 2×7485449665² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15245070 + ... + 15245560.

It is an arithmetic number, because the mean of its divisors is an integer number (297561600).

Almost surely, 2^7485449665 is an apocalyptic number.

It is an amenable number.

7485449665 is a deficient number, since it is larger than the sum of its proper divisors (2036521535).

7485449665 is a wasteful number, since it uses less digits than its factorization.

7485449665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 29030400, while the sum is 58.

The square root of 7485449665 is about 86518.4931965415. The cubic root of 7485449665 is about 1956.1671647600.

The spelling of 7485449665 in words is "seven billion, four hundred eighty-five million, four hundred forty-nine thousand, six hundred sixty-five".