2010003421 has 2 divisors, whose sum is σ = 2010003422. Its totient is φ = 2010003420.

The previous prime is 2010003409. The next prime is 2010003461. The reversal of 2010003421 is 1243000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007488025 + 2515396 = 44805^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010003421 - 2⁹ = 2010002909 is a prime.

It is a super-2 number, since 2×2010003421² = 8080227504863406482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010003461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005001710 + 1005001711.

It is an arithmetic number, because the mean of its divisors is an integer number (1005001711).

Almost surely, 2^2010003421 is an apocalyptic number.

It is an amenable number.

2010003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010003421 is an equidigital number, since it uses as much as digits as its factorization.

2010003421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2010003421 is about 44833.0616955835. The cubic root of 2010003421 is about 1262.0181442000.

Adding to 2010003421 its reverse (1243000102), we get a palindrome (3253003523).

The spelling of 2010003421 in words is "two billion, ten million, three thousand, four hundred twenty-one".