446869918769 has 4 divisors (see below), whose sum is σ = 466299045696. Its totient is φ = 427440791844.

The previous prime is 446869918757. The next prime is 446869918783. The reversal of 446869918769 is 967819968644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446869918769 is a prime.

It is a super-2 number, since 2×446869918769² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 446869918769.

It is not an unprimeable number, because it can be changed into a prime (446869918069) 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, 9714563429 + ... + 9714563474.

It is an arithmetic number, because the mean of its divisors is an integer number (116574761424).

Almost surely, 2^446869918769 is an apocalyptic number.

It is an amenable number.

446869918769 is a deficient number, since it is larger than the sum of its proper divisors (19429126927).

446869918769 is a wasteful number, since it uses less digits than its factorization.

446869918769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19429126926.

The product of its digits is 1128701952, while the sum is 77.

The spelling of 446869918769 in words is "four hundred forty-six billion, eight hundred sixty-nine million, nine hundred eighteen thousand, seven hundred sixty-nine".