2010650921 has 2 divisors, whose sum is σ = 2010650922. Its totient is φ = 2010650920.

The previous prime is 2010650903. The next prime is 2010650959. The reversal of 2010650921 is 1290560102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024000000 + 986650921 = 32000^2 + 31411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010650921 - 2³⁰ = 936909097 is a prime.

It is a super-2 number, since 2×2010650921² = 8085434252236296482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2010650021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005325460 + 1005325461.

It is an arithmetic number, because the mean of its divisors is an integer number (1005325461).

Almost surely, 2^2010650921 is an apocalyptic number.

It is an amenable number.

2010650921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010650921 is an equidigital number, since it uses as much as digits as its factorization.

2010650921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2010650921 is about 44840.2823474607. The cubic root of 2010650921 is about 1262.1536446357.

The spelling of 2010650921 in words is "two billion, ten million, six hundred fifty thousand, nine hundred twenty-one".