449763797 has 12 divisors (see below), whose sum is σ = 531775116. Its totient is φ = 379189440.

The previous prime is 449763791. The next prime is 449763799. The reversal of 449763797 is 797367944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82428241 + 367335556 = 9079^2 + 19166^2 .

It is not a de Polignac number, because 449763797 - 2⁸ = 449763541 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 (449763791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72248 + ... + 78225.

It is an arithmetic number, because the mean of its divisors is an integer number (44314593).

Almost surely, 2^449763797 is an apocalyptic number.

It is an amenable number.

449763797 is a deficient number, since it is larger than the sum of its proper divisors (82011319).

449763797 is a wasteful number, since it uses less digits than its factorization.

449763797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150548 (or 150541 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 56.

The square root of 449763797 is about 21207.6353467330. The cubic root of 449763797 is about 766.1753314561.

The spelling of 449763797 in words is "four hundred forty-nine million, seven hundred sixty-three thousand, seven hundred ninety-seven".