5201628709 has 4 divisors (see below), whose sum is σ = 5206415104. Its totient is φ = 5196842316.

The previous prime is 5201628673. The next prime is 5201628721. The reversal of 5201628709 is 9078261025.

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 5201628709 - 2⁷ = 5201628581 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 (5201628739) 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, 2391567 + ... + 2393740.

It is an arithmetic number, because the mean of its divisors is an integer number (1301603776).

Almost surely, 2^5201628709 is an apocalyptic number.

It is an amenable number.

5201628709 is a deficient number, since it is larger than the sum of its proper divisors (4786395).

5201628709 is a wasteful number, since it uses less digits than its factorization.

5201628709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786394.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 5201628709 is about 72122.3176901575. The cubic root of 5201628709 is about 1732.6590701887.

The spelling of 5201628709 in words is "five billion, two hundred one million, six hundred twenty-eight thousand, seven hundred nine".