7135448689 has 4 divisors (see below), whose sum is σ = 7510998640. Its totient is φ = 6759898740.

The previous prime is 7135448687. The next prime is 7135448783. The reversal of 7135448689 is 9868445317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9868445317 = 919 ⋅10738243.

It is a cyclic number.

It is not a de Polignac number, because 7135448689 - 2¹ = 7135448687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135448687) 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 3 ways as a sum of consecutive naturals, for example, 187774947 + ... + 187774984.

It is an arithmetic number, because the mean of its divisors is an integer number (1877749660).

Almost surely, 2^7135448689 is an apocalyptic number.

It is an amenable number.

7135448689 is a deficient number, since it is larger than the sum of its proper divisors (375549951).

7135448689 is a wasteful number, since it uses less digits than its factorization.

7135448689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375549950.

The product of its digits is 5806080, while the sum is 55.

The square root of 7135448689 is about 84471.5850981855. The cubic root of 7135448689 is about 1925.1907329087.

The spelling of 7135448689 in words is "seven billion, one hundred thirty-five million, four hundred forty-eight thousand, six hundred eighty-nine".