2605650550423 has 4 divisors (see below), whose sum is σ = 2605904547480. Its totient is φ = 2605396553368.

The previous prime is 2605650550403. The next prime is 2605650550457. The reversal of 2605650550423 is 3240550565062.

2605650550423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2605650550423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2605650550423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605650550403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126983140 + ... + 127003657.

It is an arithmetic number, because the mean of its divisors is an integer number (651476136870).

Almost surely, 2^{2605650550423} is an apocalyptic number.

2605650550423 is a deficient number, since it is larger than the sum of its proper divisors (253997057).

2605650550423 is a wasteful number, since it uses less digits than its factorization.

2605650550423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253997056.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 2605650550423 in words is "two trillion, six hundred five billion, six hundred fifty million, five hundred fifty thousand, four hundred twenty-three".