5478268303649 has 16 divisors (see below), whose sum is σ = 5704176159360. Its totient is φ = 5256764304000.

The previous prime is 5478268303633. The next prime is 5478268303657. The reversal of 5478268303649 is 9463038628745.

It is a happy number.

5478268303649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5478268303649 - 2⁴ = 5478268303633 is a prime.

It is a super-2 number, since 2×5478268303649² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478268303609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62408612 + ... + 62496330.

It is an arithmetic number, because the mean of its divisors is an integer number (356511009960).

Almost surely, 2^{5478268303649} is an apocalyptic number.

It is an amenable number.

5478268303649 is a deficient number, since it is larger than the sum of its proper divisors (225907855711).

5478268303649 is a wasteful number, since it uses less digits than its factorization.

5478268303649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112792.

The product of its (nonzero) digits is 209018880, while the sum is 65.

The spelling of 5478268303649 in words is "five trillion, four hundred seventy-eight billion, two hundred sixty-eight million, three hundred three thousand, six hundred forty-nine".