449762566787 has 4 divisors (see below), whose sum is σ = 449788301160. Its totient is φ = 449736832416.

The previous prime is 449762566763. The next prime is 449762566819. The reversal of 449762566787 is 787665267944.

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

It is a cyclic number.

It is not a de Polignac number, because 449762566787 - 2¹⁴ = 449762550403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449762566787.

It is not an unprimeable number, because it can be changed into a prime (449762566717) 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, 12840953 + ... + 12875930.

It is an arithmetic number, because the mean of its divisors is an integer number (112447075290).

Almost surely, 2^449762566787 is an apocalyptic number.

449762566787 is a deficient number, since it is larger than the sum of its proper divisors (25734373).

449762566787 is a wasteful number, since it uses less digits than its factorization.

449762566787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25734372.

The product of its digits is 853493760, while the sum is 71.

The spelling of 449762566787 in words is "four hundred forty-nine billion, seven hundred sixty-two million, five hundred sixty-six thousand, seven hundred eighty-seven".