1405233404353 has 2 divisors, whose sum is σ = 1405233404354. Its totient is φ = 1405233404352.

The previous prime is 1405233404339. The next prime is 1405233404357. The reversal of 1405233404353 is 3534043325041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1390590468289 + 14642936064 = 1179233^2 + 121008^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405233404353 - 2¹⁷ = 1405233273281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405233404357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702616702176 + 702616702177.

It is an arithmetic number, because the mean of its divisors is an integer number (702616702177).

Almost surely, 2^{1405233404353} is an apocalyptic number.

It is an amenable number.

1405233404353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405233404353 is an equidigital number, since it uses as much as digits as its factorization.

1405233404353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 1405233404353 its reverse (3534043325041), we get a palindrome (4939276729394).

The spelling of 1405233404353 in words is "one trillion, four hundred five billion, two hundred thirty-three million, four hundred four thousand, three hundred fifty-three".