2056689610 has 8 divisors (see below), whose sum is σ = 3702041316. Its totient is φ = 822675840.

The previous prime is 2056689587. The next prime is 2056689617. The reversal of 2056689610 is 169866502.

It can be written as a sum of positive squares in 2 ways, for example, as 2051274681 + 5414929 = 45291^2 + 2327^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2056689617) 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, 102834471 + ... + 102834490.

Almost surely, 2^2056689610 is an apocalyptic number.

2056689610 is a deficient number, since it is larger than the sum of its proper divisors (1645351706).

2056689610 is a wasteful number, since it uses less digits than its factorization.

2056689610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205668968.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 2056689610 is about 45350.7399057612. The cubic root of 2056689610 is about 1271.7143875207.

The spelling of 2056689610 in words is "two billion, fifty-six million, six hundred eighty-nine thousand, six hundred ten".