7250649871 has 4 divisors (see below), whose sum is σ = 7261143544. Its totient is φ = 7240156200.

The previous prime is 7250649863. The next prime is 7250649929. The reversal of 7250649871 is 1789460527.

7250649871 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: 1789460527 = 19 ⋅94182133.

It is a cyclic number.

It is not a de Polignac number, because 7250649871 - 2³ = 7250649863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250649811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5245800 + ... + 5247181.

It is an arithmetic number, because the mean of its divisors is an integer number (1815285886).

Almost surely, 2^7250649871 is an apocalyptic number.

7250649871 is a deficient number, since it is larger than the sum of its proper divisors (10493673).

7250649871 is a wasteful number, since it uses less digits than its factorization.

7250649871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493672.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 7250649871 is about 85150.7479180306. The cubic root of 7250649871 is about 1935.4961477924.

The spelling of 7250649871 in words is "seven billion, two hundred fifty million, six hundred forty-nine thousand, eight hundred seventy-one".