7434445665 has 16 divisors (see below), whose sum is σ = 12148201728. Its totient is φ = 3880674816.

The previous prime is 7434445651. The next prime is 7434445717. The reversal of 7434445665 is 5665444347.

7434445665 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 7434445665 - 2¹³ = 7434437473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5271952 + ... + 5273361.

It is an arithmetic number, because the mean of its divisors is an integer number (759262608).

Almost surely, 2^7434445665 is an apocalyptic number.

It is an amenable number.

7434445665 is a deficient number, since it is larger than the sum of its proper divisors (4713756063).

7434445665 is a wasteful number, since it uses less digits than its factorization.

7434445665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545368.

The product of its digits is 4838400, while the sum is 48.

The square root of 7434445665 is about 86223.2315852288. The cubic root of 7434445665 is about 1951.7140891579.

The spelling of 7434445665 in words is "seven billion, four hundred thirty-four million, four hundred forty-five thousand, six hundred sixty-five".