7346858821 has 2 divisors, whose sum is σ = 7346858822. Its totient is φ = 7346858820.

The previous prime is 7346858819. The next prime is 7346858879. The reversal of 7346858821 is 1288586437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7284622500 + 62236321 = 85350^2 + 7889^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346858821 - 2¹ = 7346858819 is a prime.

Together with 7346858819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7346855821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673429410 + 3673429411.

It is an arithmetic number, because the mean of its divisors is an integer number (3673429411).

Almost surely, 2^7346858821 is an apocalyptic number.

It is an amenable number.

7346858821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346858821 is an equidigital number, since it uses as much as digits as its factorization.

7346858821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 52.

The square root of 7346858821 is about 85713.8193117073. The cubic root of 7346858821 is about 1944.0192667350.

The spelling of 7346858821 in words is "seven billion, three hundred forty-six million, eight hundred fifty-eight thousand, eight hundred twenty-one".