2086761601 has 4 divisors (see below), whose sum is σ = 2131160832. Its totient is φ = 2042362372.

The previous prime is 2086761587. The next prime is 2086761617. The reversal of 2086761601 is 1061676802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1061676802 = 2 ⋅530838401.

It is a cyclic number.

It is not a de Polignac number, because 2086761601 - 2²³ = 2078372993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086761701) 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, 22199545 + ... + 22199638.

It is an arithmetic number, because the mean of its divisors is an integer number (532790208).

Almost surely, 2^2086761601 is an apocalyptic number.

It is an amenable number.

2086761601 is a deficient number, since it is larger than the sum of its proper divisors (44399231).

2086761601 is an equidigital number, since it uses as much as digits as its factorization.

2086761601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44399230.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2086761601 is about 45681.0858124016. The cubic root of 2086761601 is about 1277.8825670916.

The spelling of 2086761601 in words is "two billion, eighty-six million, seven hundred sixty-one thousand, six hundred one".