7238516465 has 4 divisors (see below), whose sum is σ = 8686219764. Its totient is φ = 5790813168.

The previous prime is 7238516429. The next prime is 7238516491. The reversal of 7238516465 is 5646158327.

7238516465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5646158327 = 151 ⋅37391777.

It can be written as a sum of positive squares in 2 ways, for example, as 2849851456 + 4388665009 = 53384^2 + 66247^2 .

It is a cyclic number.

It is not a de Polignac number, because 7238516465 - 2⁶ = 7238516401 is a prime.

It is a super-2 number, since 2×7238516465² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723851642 + ... + 723851651.

It is an arithmetic number, because the mean of its divisors is an integer number (2171554941).

Almost surely, 2^7238516465 is an apocalyptic number.

It is an amenable number.

7238516465 is a deficient number, since it is larger than the sum of its proper divisors (1447703299).

7238516465 is a wasteful number, since it uses less digits than its factorization.

7238516465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447703298.

The product of its digits is 1209600, while the sum is 47.

The square root of 7238516465 is about 85079.4714663884. The cubic root of 7238516465 is about 1934.4159102583.

The spelling of 7238516465 in words is "seven billion, two hundred thirty-eight million, five hundred sixteen thousand, four hundred sixty-five".