6509495654 has 8 divisors (see below), whose sum is σ = 9765028200. Its totient is φ = 3254486256.

The previous prime is 6509495621. The next prime is 6509495659. The reversal of 6509495654 is 4565949056.

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

It is a junction number, because it is equal to n+sod(n) for n = 6509495596 and 6509495605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509495659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98039 + ... + 150434.

It is an arithmetic number, because the mean of its divisors is an integer number (1220628525).

Almost surely, 2^6509495654 is an apocalyptic number.

6509495654 is a deficient number, since it is larger than the sum of its proper divisors (3255532546).

6509495654 is a wasteful number, since it uses less digits than its factorization.

6509495654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261574.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The square root of 6509495654 is about 80681.4455373725. The cubic root of 6509495654 is about 1867.1639217282.

The spelling of 6509495654 in words is "six billion, five hundred nine million, four hundred ninety-five thousand, six hundred fifty-four".