449246693669 has 4 divisors (see below), whose sum is σ = 452261772300. Its totient is φ = 446231615040.

The previous prime is 449246693639. The next prime is 449246693723. The reversal of 449246693669 is 966396642944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200938820644 + 248307873025 = 448262^2 + 498305^2 .

It is a cyclic number.

It is not a de Polignac number, because 449246693669 - 2²⁸ = 448978258213 is a prime.

It is a super-2 number, since 2×449246693669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449246693599 and 449246693608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449246693639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507539092 + ... + 1507539389.

It is an arithmetic number, because the mean of its divisors is an integer number (113065443075).

Almost surely, 2^449246693669 is an apocalyptic number.

It is an amenable number.

449246693669 is a deficient number, since it is larger than the sum of its proper divisors (3015078631).

449246693669 is a wasteful number, since it uses less digits than its factorization.

449246693669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015078630.

The product of its digits is 362797056, while the sum is 68.

The spelling of 449246693669 in words is "four hundred forty-nine billion, two hundred forty-six million, six hundred ninety-three thousand, six hundred sixty-nine".