2609687441 has 8 divisors (see below), whose sum is σ = 2697297000. Its totient is φ = 2522976768.

The previous prime is 2609687429. The next prime is 2609687461. The reversal of 2609687441 is 1447869062.

2609687441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1405875025 + 1203812416 = 37495^2 + 34696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2609687441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2609687401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218816 + ... + 230433.

It is an arithmetic number, because the mean of its divisors is an integer number (337162125).

Almost surely, 2^2609687441 is an apocalyptic number.

It is an amenable number.

2609687441 is a deficient number, since it is larger than the sum of its proper divisors (87609559).

2609687441 is a wasteful number, since it uses less digits than its factorization.

2609687441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449443.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2609687441 is about 51085.0999901145. The cubic root of 2609687441 is about 1376.7745578943.

The spelling of 2609687441 in words is "two billion, six hundred nine million, six hundred eighty-seven thousand, four hundred forty-one".