2021434007 has 2 divisors, whose sum is σ = 2021434008. Its totient is φ = 2021434006.

The previous prime is 2021434001. The next prime is 2021434027. The reversal of 2021434007 is 7004341202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021434007 - 2⁴ = 2021433991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021434001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010717003 + 1010717004.

It is an arithmetic number, because the mean of its divisors is an integer number (1010717004).

Almost surely, 2^2021434007 is an apocalyptic number.

2021434007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021434007 is an equidigital number, since it uses as much as digits as its factorization.

2021434007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2021434007 is about 44960.3603966872. The cubic root of 2021434007 is about 1264.4059258047.

Adding to 2021434007 its reverse (7004341202), we get a palindrome (9025775209).

The spelling of 2021434007 in words is "two billion, twenty-one million, four hundred thirty-four thousand, seven".