7389411665 has 16 divisors (see below), whose sum is σ = 8936659200. Its totient is φ = 5865340032.

The previous prime is 7389411661. The next prime is 7389411677. The reversal of 7389411665 is 5661149837.

It is a cyclic number.

It is not a de Polignac number, because 7389411665 - 2² = 7389411661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7389411661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883576 + ... + 1887494.

It is an arithmetic number, because the mean of its divisors is an integer number (558541200).

Almost surely, 2^7389411665 is an apocalyptic number.

It is an amenable number.

7389411665 is a deficient number, since it is larger than the sum of its proper divisors (1547247535).

7389411665 is a wasteful number, since it uses less digits than its factorization.

7389411665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its digits is 1088640, while the sum is 50.

The square root of 7389411665 is about 85961.6871926092. The cubic root of 7389411665 is about 1947.7652826197.

The spelling of 7389411665 in words is "seven billion, three hundred eighty-nine million, four hundred eleven thousand, six hundred sixty-five".