6495261923 has 8 divisors (see below), whose sum is σ = 6521679840. Its totient is φ = 6468865920.

The previous prime is 6495261889. The next prime is 6495261947. The reversal of 6495261923 is 3291625946.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6495261923 - 2⁸ = 6495261667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6495261623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851858 + ... + 859448.

It is an arithmetic number, because the mean of its divisors is an integer number (815209980).

Almost surely, 2^6495261923 is an apocalyptic number.

6495261923 is a deficient number, since it is larger than the sum of its proper divisors (26417917).

6495261923 is a wasteful number, since it uses less digits than its factorization.

6495261923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957.

The product of its digits is 699840, while the sum is 47.

The square root of 6495261923 is about 80593.1878200633. The cubic root of 6495261923 is about 1865.8020085610.

The spelling of 6495261923 in words is "six billion, four hundred ninety-five million, two hundred sixty-one thousand, nine hundred twenty-three".