2085782613 has 32 divisors (see below), whose sum is σ = 2863631232. Its totient is φ = 1350048000.

The previous prime is 2085782593. The next prime is 2085782687. The reversal of 2085782613 is 3162875802.

It is not a de Polignac number, because 2085782613 - 2⁸ = 2085782357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085792613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4954143 + ... + 4954563.

It is an arithmetic number, because the mean of its divisors is an integer number (89488476).

Almost surely, 2^2085782613 is an apocalyptic number.

It is an amenable number.

2085782613 is a deficient number, since it is larger than the sum of its proper divisors (777848619).

2085782613 is a wasteful number, since it uses less digits than its factorization.

2085782613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2085782613 is about 45670.3690920054. The cubic root of 2085782613 is about 1277.6826996053.

The spelling of 2085782613 in words is "two billion, eighty-five million, seven hundred eighty-two thousand, six hundred thirteen".