2612100065 has 16 divisors (see below), whose sum is σ = 3324436992. Its totient is φ = 1963478784.

The previous prime is 2612100061. The next prime is 2612100109. The reversal of 2612100065 is 5600012162.

It is not a de Polignac number, because 2612100065 - 2² = 2612100061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2612100065.

It is not an unprimeable number, because it can be changed into a prime (2612100061) by changing a digit.

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, 26282 + ... + 76908.

It is an arithmetic number, because the mean of its divisors is an integer number (207777312).

Almost surely, 2^2612100065 is an apocalyptic number.

It is an amenable number.

2612100065 is a deficient number, since it is larger than the sum of its proper divisors (712336927).

2612100065 is a wasteful number, since it uses less digits than its factorization.

2612100065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51256.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2612100065 is about 51108.7083088587. The cubic root of 2612100065 is about 1377.1986976092.

The spelling of 2612100065 in words is "two billion, six hundred twelve million, one hundred thousand, sixty-five".