6495375789 has 96 divisors (see below), whose sum is σ = 11618880000. Its totient is φ = 3415965696.

The previous prime is 6495375787. The next prime is 6495375791. The reversal of 6495375789 is 9875735946.

6495375789 is a `hidden beast` number, since 6 + 4 + 9 + 53 + 7 + 578 + 9 = 666.

6495375789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6495375787) and next prime (6495375791).

It is not a de Polignac number, because 6495375789 - 2¹ = 6495375787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495375787) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5199837 + ... + 5201085.

It is an arithmetic number, because the mean of its divisors is an integer number (121030000).

Almost surely, 2^6495375789 is an apocalyptic number.

6495375789 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6495375789 is a deficient number, since it is larger than the sum of its proper divisors (5123504211).

6495375789 is a wasteful number, since it uses less digits than its factorization.

6495375789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1416 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 63.

The square root of 6495375789 is about 80593.8942414374. The cubic root of 6495375789 is about 1865.8129113889.

The spelling of 6495375789 in words is "six billion, four hundred ninety-five million, three hundred seventy-five thousand, seven hundred eighty-nine".