3426416621 has 2 divisors, whose sum is σ = 3426416622. Its totient is φ = 3426416620.

The previous prime is 3426416611. The next prime is 3426416627. The reversal of 3426416621 is 1266146243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3425175625 + 1240996 = 58525^2 + 1114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3426416621 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3426416627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713208310 + 1713208311.

It is an arithmetic number, because the mean of its divisors is an integer number (1713208311).

Almost surely, 2^3426416621 is an apocalyptic number.

It is an amenable number.

3426416621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3426416621 is an equidigital number, since it uses as much as digits as its factorization.

3426416621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 3426416621 is about 58535.6013123637. The cubic root of 3426416621 is about 1507.5789193457.

The spelling of 3426416621 in words is "three billion, four hundred twenty-six million, four hundred sixteen thousand, six hundred twenty-one".