7128200713 has 4 divisors (see below), whose sum is σ = 7129721088. Its totient is φ = 7126680340.

The previous prime is 7128200711. The next prime is 7128200719. The reversal of 7128200713 is 3170028217.

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.

It is a cyclic number.

It is not a de Polignac number, because 7128200713 - 2¹ = 7128200711 is a prime.

It is a super-2 number, since 2×7128200713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7128200711) 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, 753133 + ... + 762538.

It is an arithmetic number, because the mean of its divisors is an integer number (1782430272).

Almost surely, 2^7128200713 is an apocalyptic number.

It is an amenable number.

7128200713 is a deficient number, since it is larger than the sum of its proper divisors (1520375).

7128200713 is a wasteful number, since it uses less digits than its factorization.

7128200713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520374.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 7128200713 is about 84428.6723394369. The cubic root of 7128200713 is about 1924.5386616281.

The spelling of 7128200713 in words is "seven billion, one hundred twenty-eight million, two hundred thousand, seven hundred thirteen".