3445444237 has 2 divisors, whose sum is σ = 3445444238. Its totient is φ = 3445444236.

The previous prime is 3445444169. The next prime is 3445444243. The reversal of 3445444237 is 7324445443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2403058441 + 1042385796 = 49021^2 + 32286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445444237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3445444237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3445444537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722722118 + 1722722119.

It is an arithmetic number, because the mean of its divisors is an integer number (1722722119).

Almost surely, 2^3445444237 is an apocalyptic number.

It is an amenable number.

3445444237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445444237 is an equidigital number, since it uses as much as digits as its factorization.

3445444237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 40.

The square root of 3445444237 is about 58697.9065810698. The cubic root of 3445444237 is about 1510.3644043990.

The spelling of 3445444237 in words is "three billion, four hundred forty-five million, four hundred forty-four thousand, two hundred thirty-seven".