4076010821 has 2 divisors, whose sum is σ = 4076010822. Its totient is φ = 4076010820.

The previous prime is 4076010817. The next prime is 4076010833. The reversal of 4076010821 is 1280106704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4075417921 + 592900 = 63839^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 4076010821 - 2² = 4076010817 is a prime.

It is a super-2 number, since 2×4076010821² = 33227728425818188082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4076010881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038005410 + 2038005411.

It is an arithmetic number, because the mean of its divisors is an integer number (2038005411).

Almost surely, 2^4076010821 is an apocalyptic number.

It is an amenable number.

4076010821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4076010821 is an equidigital number, since it uses as much as digits as its factorization.

4076010821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 4076010821 is about 63843.6435442088. The cubic root of 4076010821 is about 1597.3929968338.

The spelling of 4076010821 in words is "four billion, seventy-six million, ten thousand, eight hundred twenty-one".