6487174849 has 9 divisors (see below), whose sum is σ = 6533819427. Its totient is φ = 6440862624.

The previous prime is 6487174847. The next prime is 6487174861. The reversal of 6487174849 is 9484717846.

It is a happy number.

The square root of 6487174849 is 80543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1749330625 + 4737844224 = 41825^2 + 68832^2 .

It is not a de Polignac number, because 6487174849 - 2¹ = 6487174847 is a prime.

It is a Duffinian number.

Its product of digits (10838016) is a multiple of the sum of its prime divisors (576).

It is a junction number, because it is equal to n+sod(n) for n = 6487174793 and 6487174802.

It is not an unprimeable number, because it can be changed into a prime (6487174843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19249609 + ... + 19249945.

Almost surely, 2^6487174849 is an apocalyptic number.

6487174849 is the 80543-rd square number.

6487174849 is the 40272-nd centered octagonal number.

It is an amenable number.

6487174849 is a deficient number, since it is larger than the sum of its proper divisors (46644578).

6487174849 is an frugal number, since it uses more digits than its factorization.

6487174849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 576 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The cubic root of 6487174849 is about 1865.0273338479.

The spelling of 6487174849 in words is "six billion, four hundred eighty-seven million, one hundred seventy-four thousand, eight hundred forty-nine".