449689359999 has 32 divisors (see below), whose sum is σ = 669608755200. Its totient is φ = 266080116960.

The previous prime is 449689359991. The next prime is 449689360013. The reversal of 449689359999 is 999953986944.

It is not a de Polignac number, because 449689359999 - 2³ = 449689359991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449689359991) 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, 3106372 + ... + 3247910.

It is an arithmetic number, because the mean of its divisors is an integer number (20925273600).

Almost surely, 2^449689359999 is an apocalyptic number.

449689359999 is a deficient number, since it is larger than the sum of its proper divisors (219919395201).

449689359999 is a wasteful number, since it uses less digits than its factorization.

449689359999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143835.

The product of its digits is 6122200320, while the sum is 84.

The spelling of 449689359999 in words is "four hundred forty-nine billion, six hundred eighty-nine million, three hundred fifty-nine thousand, nine hundred ninety-nine".