5405240229449 has 2 divisors, whose sum is σ = 5405240229450. Its totient is φ = 5405240229448.

The previous prime is 5405240229383. The next prime is 5405240229461. The reversal of 5405240229449 is 9449220425045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5032139157049 + 373101072400 = 2243243^2 + 610820^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405240229449 - 2¹⁶ = 5405240163913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5405240229397 and 5405240229406.

It is not a weakly prime, because it can be changed into another prime (5405240229479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702620114724 + 2702620114725.

It is an arithmetic number, because the mean of its divisors is an integer number (2702620114725).

Almost surely, 2^{5405240229449} is an apocalyptic number.

It is an amenable number.

5405240229449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405240229449 is an equidigital number, since it uses as much as digits as its factorization.

5405240229449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 5405240229449 in words is "five trillion, four hundred five billion, two hundred forty million, two hundred twenty-nine thousand, four hundred forty-nine".