449107677421 has 8 divisors (see below), whose sum is σ = 490873145504. Its totient is φ = 408373455600.

The previous prime is 449107677383. The next prime is 449107677433. The reversal of 449107677421 is 124776701944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449107677421 - 2¹⁵ = 449107644653 is a prime.

It is a super-2 number, since 2×449107677421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449107677451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257810655 + ... + 257812396.

It is an arithmetic number, because the mean of its divisors is an integer number (61359143188).

Almost surely, 2^449107677421 is an apocalyptic number.

It is an amenable number.

449107677421 is a deficient number, since it is larger than the sum of its proper divisors (41765468083).

449107677421 is a wasteful number, since it uses less digits than its factorization.

449107677421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515623131.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 449107677421 in words is "four hundred forty-nine billion, one hundred seven million, six hundred seventy-seven thousand, four hundred twenty-one".