5404407649 has 2 divisors, whose sum is σ = 5404407650. Its totient is φ = 5404407648.

The previous prime is 5404407637. The next prime is 5404407713. The reversal of 5404407649 is 9467044045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4753137249 + 651270400 = 68943^2 + 25520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5404407649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5404401649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702203824 + 2702203825.

It is an arithmetic number, because the mean of its divisors is an integer number (2702203825).

Almost surely, 2^5404407649 is an apocalyptic number.

It is an amenable number.

5404407649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5404407649 is an equidigital number, since it uses as much as digits as its factorization.

5404407649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 5404407649 is about 73514.6764190661. The cubic root of 5404407649 is about 1754.8878480724.

The spelling of 5404407649 in words is "five billion, four hundred four million, four hundred seven thousand, six hundred forty-nine".