6509265975 has 24 divisors (see below), whose sum is σ = 11957763920. Its totient is φ = 3471608160.

The previous prime is 6509265937. The next prime is 6509265989. The reversal of 6509265975 is 5795629056.

It is a happy number.

6509265975 is a `hidden beast` number, since 6 + 509 + 2 + 65 + 9 + 75 = 666.

It is not a de Polignac number, because 6509265975 - 2⁹ = 6509265463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4821004 + ... + 4822353.

Almost surely, 2^6509265975 is an apocalyptic number.

6509265975 is a deficient number, since it is larger than the sum of its proper divisors (5448497945).

6509265975 is a wasteful number, since it uses less digits than its factorization.

6509265975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643376 (or 9643365 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The square root of 6509265975 is about 80680.0221554258. The cubic root of 6509265975 is about 1867.1419613282.

It can be divided in two parts, 6509 and 265975, that added together give a square (272484 = 522²).

The spelling of 6509265975 in words is "six billion, five hundred nine million, two hundred sixty-five thousand, nine hundred seventy-five".