7393665145 has 8 divisors (see below), whose sum is σ = 8950915656. Its totient is φ = 5862587136.

The previous prime is 7393665113. The next prime is 7393665151. The reversal of 7393665145 is 5415663937.

It can be written as a sum of positive squares in 4 ways, for example, as 42146064 + 7351519081 = 6492^2 + 85741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7393665145 - 2⁵ = 7393665113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6542502 + ... + 6543631.

It is an arithmetic number, because the mean of its divisors is an integer number (1118864457).

Almost surely, 2^7393665145 is an apocalyptic number.

It is an amenable number.

7393665145 is a deficient number, since it is larger than the sum of its proper divisors (1557250511).

7393665145 is a wasteful number, since it uses less digits than its factorization.

7393665145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13086251.

The product of its digits is 2041200, while the sum is 49.

The square root of 7393665145 is about 85986.4241901011. The cubic root of 7393665145 is about 1948.1389339979.

The spelling of 7393665145 in words is "seven billion, three hundred ninety-three million, six hundred sixty-five thousand, one hundred forty-five".