2639134252065 has 32 divisors (see below), whose sum is σ = 4234010077440. Its totient is φ = 1403742541824.

The previous prime is 2639134252057. The next prime is 2639134252081. The reversal of 2639134252065 is 5602524319362.

It is not a de Polignac number, because 2639134252065 - 2³ = 2639134252057 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 15833037 + ... + 15998853.

It is an arithmetic number, because the mean of its divisors is an integer number (132312814920).

Almost surely, 2^{2639134252065} is an apocalyptic number.

It is an amenable number.

2639134252065 is a deficient number, since it is larger than the sum of its proper divisors (1594875825375).

2639134252065 is a wasteful number, since it uses less digits than its factorization.

2639134252065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168681.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 2639134252065 in words is "two trillion, six hundred thirty-nine billion, one hundred thirty-four million, two hundred fifty-two thousand, sixty-five".