6479475849 has 60 divisors (see below), whose sum is σ = 12283170768. Its totient is φ = 3365938800.

The previous prime is 6479475841. The next prime is 6479475857. The reversal of 6479475849 is 9485749746.

6479475849 is a `hidden beast` number, since 6 + 4 + 7 + 9 + 47 + 584 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (6479475841) and next prime (6479475857).

It is not a de Polignac number, because 6479475849 - 2³ = 6479475841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6479475841) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 30547 + ... + 117864.

Almost surely, 2^6479475849 is an apocalyptic number.

It is an amenable number.

6479475849 is a deficient number, since it is larger than the sum of its proper divisors (5803694919).

6479475849 is a wasteful number, since it uses less digits than its factorization.

6479475849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148448 (or 148432 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 6479475849 is about 80495.1914650807. The cubic root of 6479475849 is about 1864.2892349631.

It can be divided in two parts, 647947 and 5849, that added together give a triangular number (653796 = T₁₁₄₃).

The spelling of 6479475849 in words is "six billion, four hundred seventy-nine million, four hundred seventy-five thousand, eight hundred forty-nine".