449655047 has 2 divisors, whose sum is σ = 449655048. Its totient is φ = 449655046.

The previous prime is 449655029. The next prime is 449655071. The reversal of 449655047 is 740556944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449655047 - 2¹² = 449650951 is a prime.

It is a super-2 number, since 2×449655047² = 404379322585144418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449654989 and 449655007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449655097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224827523 + 224827524.

It is an arithmetic number, because the mean of its divisors is an integer number (224827524).

Almost surely, 2^449655047 is an apocalyptic number.

449655047 is a deficient number, since it is larger than the sum of its proper divisors (1).

449655047 is an equidigital number, since it uses as much as digits as its factorization.

449655047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 449655047 is about 21205.0712566593. The cubic root of 449655047 is about 766.1135743854.

The spelling of 449655047 in words is "four hundred forty-nine million, six hundred fifty-five thousand, forty-seven".