449936743 has 4 divisors (see below), whose sum is σ = 453479680. Its totient is φ = 446393808.

The previous prime is 449936737. The next prime is 449936749. The reversal of 449936743 is 347639944.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (449936737) and next prime (449936749).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449936743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449936749) 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, 1771278 + ... + 1771531.

It is an arithmetic number, because the mean of its divisors is an integer number (113369920).

Almost surely, 2^449936743 is an apocalyptic number.

449936743 is a deficient number, since it is larger than the sum of its proper divisors (3542937).

449936743 is a wasteful number, since it uses less digits than its factorization.

449936743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542936.

The product of its digits is 1959552, while the sum is 49.

The square root of 449936743 is about 21211.7124014069. The cubic root of 449936743 is about 766.2735237215.

The spelling of 449936743 in words is "four hundred forty-nine million, nine hundred thirty-six thousand, seven hundred forty-three".