449453925709 has 2 divisors, whose sum is σ = 449453925710. Its totient is φ = 449453925708.

The previous prime is 449453925647. The next prime is 449453925751. The reversal of 449453925709 is 907529354944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277065376900 + 172388548809 = 526370^2 + 415197^2 .

It is a cyclic number.

It is not a de Polignac number, because 449453925709 - 2¹⁵ = 449453892941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449453929709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224726962854 + 224726962855.

It is an arithmetic number, because the mean of its divisors is an integer number (224726962855).

Almost surely, 2^449453925709 is an apocalyptic number.

It is an amenable number.

449453925709 is a deficient number, since it is larger than the sum of its proper divisors (1).

449453925709 is an equidigital number, since it uses as much as digits as its factorization.

449453925709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 449453925709 in words is "four hundred forty-nine billion, four hundred fifty-three million, nine hundred twenty-five thousand, seven hundred nine".