6549379153 has 2 divisors, whose sum is σ = 6549379154. Its totient is φ = 6549379152.

The previous prime is 6549379129. The next prime is 6549379201. The reversal of 6549379153 is 3519739456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6354162369 + 195216784 = 79713^2 + 13972^2 .

It is a cyclic number.

It is not a de Polignac number, because 6549379153 - 2⁵ = 6549379121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6549379153.

It is not a weakly prime, because it can be changed into another prime (6549379103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274689576 + 3274689577.

It is an arithmetic number, because the mean of its divisors is an integer number (3274689577).

Almost surely, 2^6549379153 is an apocalyptic number.

It is an amenable number.

6549379153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6549379153 is an equidigital number, since it uses as much as digits as its factorization.

6549379153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 52.

The square root of 6549379153 is about 80928.2345847233. The cubic root of 6549379153 is about 1870.9695138484.

The spelling of 6549379153 in words is "six billion, five hundred forty-nine million, three hundred seventy-nine thousand, one hundred fifty-three".