2623006256645 has 16 divisors (see below), whose sum is σ = 3332898439920. Its totient is φ = 1974887906304.

The previous prime is 2623006256641. The next prime is 2623006256669. The reversal of 2623006256645 is 5466526003262.

2623006256645 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 53932630756 + 2569073625889 = 232234^2 + 1602833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623006256645 - 2² = 2623006256641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2623006256645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623006256641) 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, 1475819 + ... + 2724711.

It is an arithmetic number, because the mean of its divisors is an integer number (208306152495).

Almost surely, 2^{2623006256645} is an apocalyptic number.

It is an amenable number.

2623006256645 is a deficient number, since it is larger than the sum of its proper divisors (709892183275).

2623006256645 is a wasteful number, since it uses less digits than its factorization.

2623006256645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273624.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 2623006256645 in words is "two trillion, six hundred twenty-three billion, six million, two hundred fifty-six thousand, six hundred forty-five".