449394949495 has 16 divisors (see below), whose sum is σ = 545376797280. Its totient is φ = 355448034304.

The previous prime is 449394949483. The next prime is 449394949499. The reversal of 449394949495 is 594949493944.

It is a cyclic number.

It is not a de Polignac number, because 449394949495 - 2²¹ = 449392852343 is a prime.

It is a super-2 number, since 2×449394949495² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449394949499) 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, 6852852 + ... + 6918118.

It is an arithmetic number, because the mean of its divisors is an integer number (34086049830).

Almost surely, 2^449394949495 is an apocalyptic number.

449394949495 is a deficient number, since it is larger than the sum of its proper divisors (95981847785).

449394949495 is a wasteful number, since it uses less digits than its factorization.

449394949495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80834.

The product of its digits is 906992640, while the sum is 73.

The spelling of 449394949495 in words is "four hundred forty-nine billion, three hundred ninety-four million, nine hundred forty-nine thousand, four hundred ninety-five".