4445273629 has 2 divisors, whose sum is σ = 4445273630. Its totient is φ = 4445273628.

The previous prime is 4445273561. The next prime is 4445273681. The reversal of 4445273629 is 9263725444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4160508004 + 284765625 = 64502^2 + 16875^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445273629 - 2⁷ = 4445273501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4445273699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222636814 + 2222636815.

It is an arithmetic number, because the mean of its divisors is an integer number (2222636815).

Almost surely, 2^4445273629 is an apocalyptic number.

It is an amenable number.

4445273629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445273629 is an equidigital number, since it uses as much as digits as its factorization.

4445273629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The square root of 4445273629 is about 66672.8852608015. The cubic root of 4445273629 is about 1644.2436237771.

The spelling of 4445273629 in words is "four billion, four hundred forty-five million, two hundred seventy-three thousand, six hundred twenty-nine".