449263000453 has 4 divisors (see below), whose sum is σ = 449265530700. Its totient is φ = 449260470208.

The previous prime is 449263000363. The next prime is 449263000469. The reversal of 449263000453 is 354000362944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337140487044 + 112122513409 = 580638^2 + 334847^2 .

It is a cyclic number.

It is not a de Polignac number, because 449263000453 - 2³⁷ = 311824046981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449263000853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976900 + ... + 1361197.

It is an arithmetic number, because the mean of its divisors is an integer number (112316382675).

Almost surely, 2^449263000453 is an apocalyptic number.

It is an amenable number.

449263000453 is a deficient number, since it is larger than the sum of its proper divisors (2530247).

449263000453 is a wasteful number, since it uses less digits than its factorization.

449263000453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530246.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 449263000453 in words is "four hundred forty-nine billion, two hundred sixty-three million, four hundred fifty-three", and thus it is an aban number.