3623344789 has 2 divisors, whose sum is σ = 3623344790. Its totient is φ = 3623344788.

The previous prime is 3623344723. The next prime is 3623344817. The reversal of 3623344789 is 9874433263.

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., 1914762564 + 1708582225 = 43758^2 + 41335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3623344789 - 2³¹ = 1475861141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3623344889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811672394 + 1811672395.

It is an arithmetic number, because the mean of its divisors is an integer number (1811672395).

Almost surely, 2^3623344789 is an apocalyptic number.

It is an amenable number.

3623344789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3623344789 is an equidigital number, since it uses as much as digits as its factorization.

3623344789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 49.

The square root of 3623344789 is about 60194.2255453129. The cubic root of 3623344789 is about 1535.9245688518.

The spelling of 3623344789 in words is "three billion, six hundred twenty-three million, three hundred forty-four thousand, seven hundred eighty-nine".