6340091895 has 24 divisors (see below), whose sum is σ = 11286508896. Its totient is φ = 3289992768.

The previous prime is 6340091831. The next prime is 6340091897. The reversal of 6340091895 is 5981900436.

It is a happy number.

6340091895 is a `hidden beast` number, since 63 + 400 + 9 + 189 + 5 = 666.

It is not a de Polignac number, because 6340091895 - 2⁶ = 6340091831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6340091895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340091897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1902267 + ... + 1905596.

It is an arithmetic number, because the mean of its divisors is an integer number (470271204).

Almost surely, 2^6340091895 is an apocalyptic number.

6340091895 is a deficient number, since it is larger than the sum of its proper divisors (4946417001).

6340091895 is a wasteful number, since it uses less digits than its factorization.

6340091895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807911 (or 3807908 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 6340091895 is about 79624.6940025517. The cubic root of 6340091895 is about 1850.8242633274.

The spelling of 6340091895 in words is "six billion, three hundred forty million, ninety-one thousand, eight hundred ninety-five".