6738131065 has 16 divisors (see below), whose sum is σ = 8281094976. Its totient is φ = 5261630400.

The previous prime is 6738131051. The next prime is 6738131123. The reversal of 6738131065 is 5601318376.

It is a happy number.

It is not a de Polignac number, because 6738131065 - 2¹¹ = 6738129017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44367 + ... + 124276.

It is an arithmetic number, because the mean of its divisors is an integer number (517568436).

Almost surely, 2^6738131065 is an apocalyptic number.

It is an amenable number.

6738131065 is a deficient number, since it is larger than the sum of its proper divisors (1542963911).

6738131065 is a wasteful number, since it uses less digits than its factorization.

6738131065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168840.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 6738131065 is about 82086.1198071879. The cubic root of 6738131065 is about 1888.7732271079.

The spelling of 6738131065 in words is "six billion, seven hundred thirty-eight million, one hundred thirty-one thousand, sixty-five".