2626287643 has 12 divisors (see below), whose sum is σ = 3056269320. Its totient is φ = 2250219552.

The previous prime is 2626287581. The next prime is 2626287649. The reversal of 2626287643 is 3467826262.

2626287643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2626287643 - 2¹⁷ = 2626156571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2626287593 and 2626287602.

It is not an unprimeable number, because it can be changed into a prime (2626287649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136143 + ... + 154231.

It is an arithmetic number, because the mean of its divisors is an integer number (254689110).

Almost surely, 2^2626287643 is an apocalyptic number.

2626287643 is a deficient number, since it is larger than the sum of its proper divisors (429981677).

2626287643 is a wasteful number, since it uses less digits than its factorization.

2626287643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21066 (or 21059 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 2626287643 is about 51247.3183981367. The cubic root of 2626287643 is about 1379.6876074725.

The spelling of 2626287643 in words is "two billion, six hundred twenty-six million, two hundred eighty-seven thousand, six hundred forty-three".