8403321461 has 2 divisors, whose sum is σ = 8403321462. Its totient is φ = 8403321460.

The previous prime is 8403321457. The next prime is 8403321467. The reversal of 8403321461 is 1641233048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8391659236 + 11662225 = 91606^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 8403321461 - 2² = 8403321457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8403321467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201660730 + 4201660731.

It is an arithmetic number, because the mean of its divisors is an integer number (4201660731).

Almost surely, 2^8403321461 is an apocalyptic number.

It is an amenable number.

8403321461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8403321461 is an equidigital number, since it uses as much as digits as its factorization.

8403321461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 8403321461 is about 91669.6321635469. The cubic root of 8403321461 is about 2033.0606085501.

The spelling of 8403321461 in words is "eight billion, four hundred three million, three hundred twenty-one thousand, four hundred sixty-one".