2580869626 has 4 divisors (see below), whose sum is σ = 3871304442. Its totient is φ = 1290434812.

The previous prime is 2580869611. The next prime is 2580869651. The reversal of 2580869626 is 6269680852.

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

It can be written as a sum of positive squares in only one way, i.e., 2442830625 + 138039001 = 49425^2 + 11749^2 .

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 as a sum of consecutive naturals, namely, 645217405 + ... + 645217408.

Almost surely, 2^2580869626 is an apocalyptic number.

2580869626 is a deficient number, since it is larger than the sum of its proper divisors (1290434816).

2580869626 is a wasteful number, since it uses less digits than its factorization.

2580869626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290434815.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 2580869626 is about 50802.2600481514. The cubic root of 2580869626 is about 1371.6880511617.

The spelling of 2580869626 in words is "two billion, five hundred eighty million, eight hundred sixty-nine thousand, six hundred twenty-six".