5406663576385 has 24 divisors (see below), whose sum is σ = 7078365798840. Its totient is φ = 3960875280384.

The previous prime is 5406663576329. The next prime is 5406663576389. The reversal of 5406663576385 is 5836753666045.

It can be written as a sum of positive squares in 12 ways, for example, as 19246567824 + 5387417008561 = 138732^2 + 2321081^2 .

It is not a de Polignac number, because 5406663576385 - 2³¹ = 5404516092737 is a prime.

It is a super-2 number, since 2×5406663576385² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5406663576389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50509180 + ... + 50616109.

It is an arithmetic number, because the mean of its divisors is an integer number (294931908285).

Almost surely, 2^{5406663576385} is an apocalyptic number.

It is an amenable number.

5406663576385 is a deficient number, since it is larger than the sum of its proper divisors (1671702222455).

5406663576385 is a wasteful number, since it uses less digits than its factorization.

5406663576385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101125365 (or 101125348 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 64.

The spelling of 5406663576385 in words is "five trillion, four hundred six billion, six hundred sixty-three million, five hundred seventy-six thousand, three hundred eighty-five".