6512409845 has 8 divisors (see below), whose sum is σ = 7815411360. Its totient is φ = 5209581520.

The previous prime is 6512409829. The next prime is 6512409851. The reversal of 6512409845 is 5489042156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6512409845 - 2⁴ = 6512409829 is a prime.

It is a super-2 number, since 2×6512409845² = 84822963978505848050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6512409796 and 6512409805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63290 + ... + 130500.

It is an arithmetic number, because the mean of its divisors is an integer number (976926420).

Almost surely, 2^6512409845 is an apocalyptic number.

It is an amenable number.

6512409845 is a deficient number, since it is larger than the sum of its proper divisors (1303001515).

6512409845 is a wasteful number, since it uses less digits than its factorization.

6512409845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86595.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 6512409845 is about 80699.5033751757. The cubic root of 6512409845 is about 1867.4425127179.

The spelling of 6512409845 in words is "six billion, five hundred twelve million, four hundred nine thousand, eight hundred forty-five".