3445363121 has 2 divisors, whose sum is σ = 3445363122. Its totient is φ = 3445363120.

The previous prime is 3445363093. The next prime is 3445363133. The reversal of 3445363121 is 1213635443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3337950625 + 107412496 = 57775^2 + 10364^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445363121 - 2²² = 3441168817 is a prime.

It is not a weakly prime, because it can be changed into another prime (3445363321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722681560 + 1722681561.

It is an arithmetic number, because the mean of its divisors is an integer number (1722681561).

Almost surely, 2^3445363121 is an apocalyptic number.

It is an amenable number.

3445363121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445363121 is an equidigital number, since it uses as much as digits as its factorization.

3445363121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 3445363121 is about 58697.2156153935. The cubic root of 3445363121 is about 1510.3525514833.

Adding to 3445363121 its reverse (1213635443), we get a palindrome (4658998564).

The spelling of 3445363121 in words is "three billion, four hundred forty-five million, three hundred sixty-three thousand, one hundred twenty-one".