6489595959 has 64 divisors (see below), whose sum is σ = 11343559680. Its totient is φ = 3201408000.

The previous prime is 6489595951. The next prime is 6489595979. The reversal of 6489595959 is 9595959846.

It is not a de Polignac number, because 6489595959 - 2³ = 6489595951 is a prime.

It is a super-2 number, since 2×6489595959² = 84229711422138259362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6489595893 and 6489595902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489595951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 400699 + ... + 416579.

It is an arithmetic number, because the mean of its divisors is an integer number (177243120).

Almost surely, 2^6489595959 is an apocalyptic number.

6489595959 is a deficient number, since it is larger than the sum of its proper divisors (4853963721).

6489595959 is a wasteful number, since it uses less digits than its factorization.

6489595959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15992.

The product of its digits is 157464000, while the sum is 69.

The square root of 6489595959 is about 80558.0285198192. The cubic root of 6489595959 is about 1865.2593236230.

The spelling of 6489595959 in words is "six billion, four hundred eighty-nine million, five hundred ninety-five thousand, nine hundred fifty-nine".