3445350421 has 2 divisors, whose sum is σ = 3445350422. Its totient is φ = 3445350420.

The previous prime is 3445350379. The next prime is 3445350431. The reversal of 3445350421 is 1240535443.

3445350421 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., 2997562500 + 447787921 = 54750^2 + 21161^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445350421 - 2¹¹ = 3445348373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3445350431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722675210 + 1722675211.

It is an arithmetic number, because the mean of its divisors is an integer number (1722675211).

Almost surely, 2^3445350421 is an apocalyptic number.

It is an amenable number.

3445350421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445350421 is an equidigital number, since it uses as much as digits as its factorization.

3445350421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3445350421 is about 58697.1074329903. The cubic root of 3445350421 is about 1510.3506957039.

Adding to 3445350421 its reverse (1240535443), we get a palindrome (4685885864).

The spelling of 3445350421 in words is "three billion, four hundred forty-five million, three hundred fifty thousand, four hundred twenty-one".