7238513709 has 24 divisors (see below), whose sum is σ = 12361340160. Its totient is φ = 3993661728.

The previous prime is 7238513677. The next prime is 7238513713. The reversal of 7238513709 is 9073158327.

It is a happy number.

It is not a de Polignac number, because 7238513709 - 2⁵ = 7238513677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7238513749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1979157 + ... + 1982810.

It is an arithmetic number, because the mean of its divisors is an integer number (515055840).

Almost surely, 2^7238513709 is an apocalyptic number.

It is an amenable number.

7238513709 is a deficient number, since it is larger than the sum of its proper divisors (5122826451).

7238513709 is a wasteful number, since it uses less digits than its factorization.

7238513709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962009 (or 3962006 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 7238513709 is about 85079.4552697653. The cubic root of 7238513709 is about 1934.4156647545.

The spelling of 7238513709 in words is "seven billion, two hundred thirty-eight million, five hundred thirteen thousand, seven hundred nine".