449158689963 has 6 divisors (see below), whose sum is σ = 648784774404. Its totient is φ = 299439126636.

The previous prime is 449158689943. The next prime is 449158689971. The reversal of 449158689963 is 369986851944.

449158689963 is a `hidden beast` number, since 4 + 491 + 58 + 6 + 89 + 9 + 6 + 3 = 666.

It is not a de Polignac number, because 449158689963 - 2⁶ = 449158689899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449158689891 and 449158689900.

It is not an unprimeable number, because it can be changed into a prime (449158689943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24953260545 + ... + 24953260562.

It is an arithmetic number, because the mean of its divisors is an integer number (108130795734).

Almost surely, 2^449158689963 is an apocalyptic number.

449158689963 is a deficient number, since it is larger than the sum of its proper divisors (199626084441).

449158689963 is a wasteful number, since it uses less digits than its factorization.

449158689963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49906521113 (or 49906521110 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 449158689963 in words is "four hundred forty-nine billion, one hundred fifty-eight million, six hundred eighty-nine thousand, nine hundred sixty-three".