449861351 has 2 divisors, whose sum is σ = 449861352. Its totient is φ = 449861350.

The previous prime is 449861339. The next prime is 449861353. The reversal of 449861351 is 153168944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449861351 - 2¹⁸ = 449599207 is a prime.

Together with 449861353, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_23846099 and since 449861351 and 23846099 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 449861299 and 449861308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449861353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224930675 + 224930676.

It is an arithmetic number, because the mean of its divisors is an integer number (224930676).

Almost surely, 2^449861351 is an apocalyptic number.

449861351 is a deficient number, since it is larger than the sum of its proper divisors (1).

449861351 is an equidigital number, since it uses as much as digits as its factorization.

449861351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 449861351 is about 21209.9351955634. The cubic root of 449861351 is about 766.2307220600.

The spelling of 449861351 in words is "four hundred forty-nine million, eight hundred sixty-one thousand, three hundred fifty-one".