2086641305 has 32 divisors (see below), whose sum is σ = 3002807808. Its totient is φ = 1360972800.

The previous prime is 2086641283. The next prime is 2086641317. The reversal of 2086641305 is 5031466802.

It is not a de Polignac number, because 2086641305 - 2⁶ = 2086641241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138545 + ... + 152865.

It is an arithmetic number, because the mean of its divisors is an integer number (93837744).

It is the magic constant of a 1610 × 1610 magic square.

Almost surely, 2^2086641305 is an apocalyptic number.

It is an amenable number.

2086641305 is a deficient number, since it is larger than the sum of its proper divisors (916166503).

2086641305 is a wasteful number, since it uses less digits than its factorization.

2086641305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2086641305 is about 45679.7690996791. The cubic root of 2086641305 is about 1277.8580111616.

The spelling of 2086641305 in words is "two billion, eighty-six million, six hundred forty-one thousand, three hundred five".