2641587685 has 8 divisors (see below), whose sum is σ = 3458078496. Its totient is φ = 1921154640.

The previous prime is 2641587673. The next prime is 2641587691. The reversal of 2641587685 is 5867851462.

It is a happy number.

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

It is not a de Polignac number, because 2641587685 - 2¹⁵ = 2641554917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24014379 + ... + 24014488.

It is an arithmetic number, because the mean of its divisors is an integer number (432259812).

Almost surely, 2^2641587685 is an apocalyptic number.

It is an amenable number.

2641587685 is a deficient number, since it is larger than the sum of its proper divisors (816490811).

2641587685 is a wasteful number, since it uses less digits than its factorization.

2641587685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48028883.

The product of its digits is 3225600, while the sum is 52.

The square root of 2641587685 is about 51396.3781311485. The cubic root of 2641587685 is about 1382.3616504624.

The spelling of 2641587685 in words is "two billion, six hundred forty-one million, five hundred eighty-seven thousand, six hundred eighty-five".