6494671377 has 12 divisors (see below), whose sum is σ = 9474076404. Its totient is φ = 4286911200.

The previous prime is 6494671343. The next prime is 6494671441. The reversal of 6494671377 is 7731764946.

6494671377 is a `hidden beast` number, since 6 + 49 + 467 + 137 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5223820176 + 1270851201 = 72276^2 + 35649^2 .

It is not a de Polignac number, because 6494671377 - 2¹⁹ = 6494147089 is a prime.

It is a super-2 number, since 2×6494671377² = 84361512590446152258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6494671577) 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 in 11 ways as a sum of consecutive naturals, for example, 3571518 + ... + 3573335.

It is an arithmetic number, because the mean of its divisors is an integer number (789506367).

Almost surely, 2^6494671377 is an apocalyptic number.

It is an amenable number.

6494671377 is a deficient number, since it is larger than the sum of its proper divisors (2979405027).

6494671377 is a wasteful number, since it uses less digits than its factorization.

6494671377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144960 (or 7144957 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 6494671377 is about 80589.5239904046. The cubic root of 6494671377 is about 1865.7454609154.

The spelling of 6494671377 in words is "six billion, four hundred ninety-four million, six hundred seventy-one thousand, three hundred seventy-seven".