6542264065 has 16 divisors (see below), whose sum is σ = 7943322240. Its totient is φ = 5172140160.

The previous prime is 6542264063. The next prime is 6542264107. The reversal of 6542264065 is 5604622456.

It is not a de Polignac number, because 6542264065 - 2¹ = 6542264063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6542264063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201900 + ... + 1207330.

It is an arithmetic number, because the mean of its divisors is an integer number (496457640).

Almost surely, 2^6542264065 is an apocalyptic number.

It is an amenable number.

6542264065 is a deficient number, since it is larger than the sum of its proper divisors (1401058175).

6542264065 is a wasteful number, since it uses less digits than its factorization.

6542264065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 6542264065 is about 80884.2633952983. The cubic root of 6542264065 is about 1870.2917429234.

The spelling of 6542264065 in words is "six billion, five hundred forty-two million, two hundred sixty-four thousand, sixty-five".