2036766521 has 8 divisors (see below), whose sum is σ = 2096595144. Its totient is φ = 1977730560.

The previous prime is 2036766517. The next prime is 2036766539. The reversal of 2036766521 is 1256676302.

It can be written as a sum of positive squares in 4 ways, for example, as 765130921 + 1271635600 = 27661^2 + 35660^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2036766521 - 2² = 2036766517 is a prime.

It is a super-2 number, since 2×2036766521² = 8296835722132886882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2036766551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192950 + ... + 203231.

It is an arithmetic number, because the mean of its divisors is an integer number (262074393).

Almost surely, 2^2036766521 is an apocalyptic number.

It is an amenable number.

2036766521 is a deficient number, since it is larger than the sum of its proper divisors (59828623).

2036766521 is an equidigital number, since it uses as much as digits as its factorization.

2036766521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396331.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2036766521 is about 45130.5497529113. The cubic root of 2036766521 is about 1267.5947036081.

The spelling of 2036766521 in words is "two billion, thirty-six million, seven hundred sixty-six thousand, five hundred twenty-one".