449333802489 has 32 divisors (see below), whose sum is σ = 706796697600. Its totient is φ = 250323716160.

The previous prime is 449333802487. The next prime is 449333802497. The reversal of 449333802489 is 984208333944.

It is not a de Polignac number, because 449333802489 - 2¹ = 449333802487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449333802487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2088679 + ... + 2293740.

It is an arithmetic number, because the mean of its divisors is an integer number (22087396800).

Almost surely, 2^449333802489 is an apocalyptic number.

It is an amenable number.

449333802489 is a deficient number, since it is larger than the sum of its proper divisors (257462895111).

449333802489 is a wasteful number, since it uses less digits than its factorization.

449333802489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382685.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 449333802489 in words is "four hundred forty-nine billion, three hundred thirty-three million, eight hundred two thousand, four hundred eighty-nine".