2089682961 has 4 divisors (see below), whose sum is σ = 2786243952. Its totient is φ = 1393121972.

The previous prime is 2089682951. The next prime is 2089682971. The reversal of 2089682961 is 1692869802.

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.

It is an interprime number because it is at equal distance from previous prime (2089682951) and next prime (2089682971).

It is a cyclic number.

It is not a de Polignac number, because 2089682961 - 2²³ = 2081294353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2089682921) 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, 348280491 + ... + 348280496.

It is an arithmetic number, because the mean of its divisors is an integer number (696560988).

Almost surely, 2^2089682961 is an apocalyptic number.

It is an amenable number.

2089682961 is a deficient number, since it is larger than the sum of its proper divisors (696560991).

2089682961 is an equidigital number, since it uses as much as digits as its factorization.

2089682961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696560990.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2089682961 is about 45713.0502263850. The cubic root of 2089682961 is about 1278.4786125451.

The spelling of 2089682961 in words is "two billion, eighty-nine million, six hundred eighty-two thousand, nine hundred sixty-one".