5258471147821 has 16 divisors (see below), whose sum is σ = 5685336620800. Its totient is φ = 4846639883328.

The previous prime is 5258471147819. The next prime is 5258471147827. The reversal of 5258471147821 is 1287411748525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5258471147821 - 2¹ = 5258471147819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5258471147827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7761475 + ... + 8411743.

It is an arithmetic number, because the mean of its divisors is an integer number (355333538800).

Almost surely, 2^{5258471147821} is an apocalyptic number.

It is an amenable number.

5258471147821 is a deficient number, since it is larger than the sum of its proper divisors (426865472979).

5258471147821 is a wasteful number, since it uses less digits than its factorization.

5258471147821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661828.

The product of its digits is 5017600, while the sum is 55.

The spelling of 5258471147821 in words is "five trillion, two hundred fifty-eight billion, four hundred seventy-one million, one hundred forty-seven thousand, eight hundred twenty-one".