9233400808409 has 2 divisors, whose sum is σ = 9233400808410. Its totient is φ = 9233400808408.

The previous prime is 9233400808273. The next prime is 9233400808421. The reversal of 9233400808409 is 9048080043329.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8487043042009 + 746357766400 = 2913253^2 + 863920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9233400808409 is a prime.

It is a super-2 number, since 2×9233400808409² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9233400804409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4616700404204 + 4616700404205.

It is an arithmetic number, because the mean of its divisors is an integer number (4616700404205).

Almost surely, 2^{9233400808409} is an apocalyptic number.

It is an amenable number.

9233400808409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9233400808409 is an equidigital number, since it uses as much as digits as its factorization.

9233400808409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 9233400808409 in words is "nine trillion, two hundred thirty-three billion, four hundred million, eight hundred eight thousand, four hundred nine".