3409012421 has 2 divisors, whose sum is σ = 3409012422. Its totient is φ = 3409012420.

The previous prime is 3409012381. The next prime is 3409012423. The reversal of 3409012421 is 1242109043.

3409012421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3241024900 + 167987521 = 56930^2 + 12961^2 .

It is a cyclic number.

It is not a de Polignac number, because 3409012421 - 2²² = 3404818117 is a prime.

Together with 3409012423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3409012423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704506210 + 1704506211.

It is an arithmetic number, because the mean of its divisors is an integer number (1704506211).

Almost surely, 2^3409012421 is an apocalyptic number.

It is an amenable number.

3409012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3409012421 is an equidigital number, since it uses as much as digits as its factorization.

3409012421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3409012421 is about 58386.7486763906. The cubic root of 3409012421 is about 1505.0220444669.

The spelling of 3409012421 in words is "three billion, four hundred nine million, twelve thousand, four hundred twenty-one".