7201368865 has 4 divisors (see below), whose sum is σ = 8641642644. Its totient is φ = 5761095088.

The previous prime is 7201368833. The next prime is 7201368877. The reversal of 7201368865 is 5688631027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5688631027 = 19 ⋅299401633.

It can be written as a sum of positive squares in 2 ways, for example, as 3914754624 + 3286614241 = 62568^2 + 57329^2 .

It is a cyclic number.

It is not a de Polignac number, because 7201368865 - 2⁵ = 7201368833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720136882 + ... + 720136891.

It is an arithmetic number, because the mean of its divisors is an integer number (2160410661).

Almost surely, 2^7201368865 is an apocalyptic number.

It is an amenable number.

7201368865 is a deficient number, since it is larger than the sum of its proper divisors (1440273779).

7201368865 is a wasteful number, since it uses less digits than its factorization.

7201368865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440273778.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 7201368865 is about 84860.8794734064. The cubic root of 7201368865 is about 1931.1011341075.

The spelling of 7201368865 in words is "seven billion, two hundred one million, three hundred sixty-eight thousand, eight hundred sixty-five".