449868925369 has 4 divisors (see below), whose sum is σ = 450581872000. Its totient is φ = 449155978740.

The previous prime is 449868925349. The next prime is 449868925393. The reversal of 449868925369 is 963529868944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449868925369 - 2¹⁵ = 449868892601 is a prime.

It is a super-2 number, since 2×449868925369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449868925309) 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, 356472369 + ... + 356473630.

It is an arithmetic number, because the mean of its divisors is an integer number (112645468000).

Almost surely, 2^449868925369 is an apocalyptic number.

It is an amenable number.

449868925369 is a deficient number, since it is larger than the sum of its proper divisors (712946631).

449868925369 is an equidigital number, since it uses as much as digits as its factorization.

449868925369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712946630.

The product of its digits is 806215680, while the sum is 73.

The spelling of 449868925369 in words is "four hundred forty-nine billion, eight hundred sixty-eight million, nine hundred twenty-five thousand, three hundred sixty-nine".