3442012421 has 2 divisors, whose sum is σ = 3442012422. Its totient is φ = 3442012420.

The previous prime is 3442012411. The next prime is 3442012459. The reversal of 3442012421 is 1242102443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1914062500 + 1527949921 = 43750^2 + 39089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3442012421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3442012411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721006210 + 1721006211.

It is an arithmetic number, because the mean of its divisors is an integer number (1721006211).

Almost surely, 2^3442012421 is an apocalyptic number.

It is an amenable number.

3442012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442012421 is an equidigital number, since it uses as much as digits as its factorization.

3442012421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3442012421 is about 58668.6664327731. Note that the first 3 decimals coincide. The cubic root of 3442012421 is about 1509.8627743957.

Adding to 3442012421 its reverse (1242102443), we get a palindrome (4684114864).

The spelling of 3442012421 in words is "three billion, four hundred forty-two million, twelve thousand, four hundred twenty-one".