2076685521 has 4 divisors (see below), whose sum is σ = 2768914032. Its totient is φ = 1384457012.

The previous prime is 2076685517. The next prime is 2076685529. The reversal of 2076685521 is 1255866702.

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 a cyclic number.

It is not a de Polignac number, because 2076685521 - 2² = 2076685517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2076685529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346114251 + ... + 346114256.

It is an arithmetic number, because the mean of its divisors is an integer number (692228508).

Almost surely, 2^2076685521 is an apocalyptic number.

It is an amenable number.

2076685521 is a deficient number, since it is larger than the sum of its proper divisors (692228511).

2076685521 is an equidigital number, since it uses as much as digits as its factorization.

2076685521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692228510.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2076685521 is about 45570.6651366863. The cubic root of 2076685521 is about 1275.8224648015.

The spelling of 2076685521 in words is "two billion, seventy-six million, six hundred eighty-five thousand, five hundred twenty-one".