449037563997 has 16 divisors (see below), whose sum is σ = 656794414080. Its totient is φ = 270623617200.

The previous prime is 449037563969. The next prime is 449037564013. The reversal of 449037563997 is 799365730944.

It is not a de Polignac number, because 449037563997 - 2¹¹ = 449037561949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449037563957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38003029 + ... + 38014842.

It is an arithmetic number, because the mean of its divisors is an integer number (41049650880).

Almost surely, 2^449037563997 is an apocalyptic number.

It is an amenable number.

449037563997 is a deficient number, since it is larger than the sum of its proper divisors (207756850083).

449037563997 is a wasteful number, since it uses less digits than its factorization.

449037563997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76018064.

The product of its (nonzero) digits is 154314720, while the sum is 66.

The spelling of 449037563997 in words is "four hundred forty-nine billion, thirty-seven million, five hundred sixty-three thousand, nine hundred ninety-seven".