5130346120621 has 4 divisors (see below), whose sum is σ = 5130862210044. Its totient is φ = 5129830031200.

The previous prime is 5130346120607. The next prime is 5130346120673. The reversal of 5130346120621 is 1260216430315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1342608864100 + 3787737256521 = 1158710^2 + 1946211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5130346120621 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 (5130346180621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258029800 + ... + 258049681.

It is an arithmetic number, because the mean of its divisors is an integer number (1282715552511).

Almost surely, 2^{5130346120621} is an apocalyptic number.

It is an amenable number.

5130346120621 is a deficient number, since it is larger than the sum of its proper divisors (516089423).

5130346120621 is an equidigital number, since it uses as much as digits as its factorization.

5130346120621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516089422.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 5130346120621 in words is "five trillion, one hundred thirty billion, three hundred forty-six million, one hundred twenty thousand, six hundred twenty-one".