2651541289 has 4 divisors (see below), whose sum is σ = 2807514324. Its totient is φ = 2495568256.

The previous prime is 2651541283. The next prime is 2651541301. The reversal of 2651541289 is 9821451562.

2651541289 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 768675625 + 1882865664 = 27725^2 + 43392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651541289 - 2¹³ = 2651533097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651541283) 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, 77986492 + ... + 77986525.

It is an arithmetic number, because the mean of its divisors is an integer number (701878581).

Almost surely, 2^2651541289 is an apocalyptic number.

It is an amenable number.

2651541289 is a deficient number, since it is larger than the sum of its proper divisors (155973035).

2651541289 is a wasteful number, since it uses less digits than its factorization.

2651541289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155973034.

The product of its digits is 172800, while the sum is 43.

The square root of 2651541289 is about 51493.1188509688. The cubic root of 2651541289 is about 1384.0957382024.

The spelling of 2651541289 in words is "two billion, six hundred fifty-one million, five hundred forty-one thousand, two hundred eighty-nine".