3419887421 has 2 divisors, whose sum is σ = 3419887422. Its totient is φ = 3419887420.

The previous prime is 3419887409. The next prime is 3419887423. The reversal of 3419887421 is 1247889143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3388404100 + 31483321 = 58210^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 3419887421 - 2³⁰ = 2346145597 is a prime.

Together with 3419887423, 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 (3419887423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709943710 + 1709943711.

It is an arithmetic number, because the mean of its divisors is an integer number (1709943711).

Almost surely, 2^3419887421 is an apocalyptic number.

It is an amenable number.

3419887421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3419887421 is an equidigital number, since it uses as much as digits as its factorization.

3419887421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 3419887421 is about 58479.8035307917. The cubic root of 3419887421 is about 1506.6207226562.

The spelling of 3419887421 in words is "three billion, four hundred nineteen million, eight hundred eighty-seven thousand, four hundred twenty-one".