5405082649 has 8 divisors (see below), whose sum is σ = 5442053000. Its totient is φ = 5368228992.

The previous prime is 5405082619. The next prime is 5405082713. The reversal of 5405082649 is 9462805045.

It can be written as a sum of positive squares in 4 ways, for example, as 1880523225 + 3524559424 = 43365^2 + 59368^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5405082649 - 2¹¹ = 5405080601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405082619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64807 + ... + 122515.

It is an arithmetic number, because the mean of its divisors is an integer number (680256625).

Almost surely, 2^5405082649 is an apocalyptic number.

It is an amenable number.

5405082649 is a deficient number, since it is larger than the sum of its proper divisors (36970351).

5405082649 is a wasteful number, since it uses less digits than its factorization.

5405082649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58347.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 5405082649 is about 73519.2671957494. The cubic root of 5405082649 is about 1754.9609057235.

The spelling of 5405082649 in words is "five billion, four hundred five million, eighty-two thousand, six hundred forty-nine".