7346000821 has 2 divisors, whose sum is σ = 7346000822. Its totient is φ = 7346000820.

The previous prime is 7346000819. The next prime is 7346000867. The reversal of 7346000821 is 1280006437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6470432721 + 875568100 = 80439^2 + 29590^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346000821 - 2¹ = 7346000819 is a prime.

Together with 7346000819, 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 (7346000881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673000410 + 3673000411.

It is an arithmetic number, because the mean of its divisors is an integer number (3673000411).

Almost surely, 2^7346000821 is an apocalyptic number.

It is an amenable number.

7346000821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346000821 is an equidigital number, since it uses as much as digits as its factorization.

7346000821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7346000821 is about 85708.8141383370. The cubic root of 7346000821 is about 1943.9435866152.

The spelling of 7346000821 in words is "seven billion, three hundred forty-six million, eight hundred twenty-one", and thus it is an aban number.