3443439997 has 2 divisors, whose sum is σ = 3443439998. Its totient is φ = 3443439996.

The previous prime is 3443439971. The next prime is 3443440067. The reversal of 3443439997 is 7999343443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152403236 + 1291036761 = 46394^2 + 35931^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443439997 - 2³¹ = 1295956349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3443439697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721719998 + 1721719999.

It is an arithmetic number, because the mean of its divisors is an integer number (1721719999).

Almost surely, 2^3443439997 is an apocalyptic number.

It is an amenable number.

3443439997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3443439997 is an equidigital number, since it uses as much as digits as its factorization.

3443439997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 55.

The square root of 3443439997 is about 58680.8315977202. The cubic root of 3443439997 is about 1510.0714842699.

The spelling of 3443439997 in words is "three billion, four hundred forty-three million, four hundred thirty-nine thousand, nine hundred ninety-seven".