447405100641 has 20 divisors (see below), whose sum is σ = 679673794800. Its totient is φ = 293214639096.

The previous prime is 447405100619. The next prime is 447405100673. The reversal of 447405100641 is 146001504744.

It is a happy number.

447405100641 is a `hidden beast` number, since 4 + 4 + 7 + 4 + 0 + 5 + 1 + 0 + 0 + 641 = 666.

It is not a de Polignac number, because 447405100641 - 2⁶ = 447405100577 is a prime.

It is a super-2 number, since 2×447405100641² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447405100596 and 447405100605.

It is not an unprimeable number, because it can be changed into a prime (447405110641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46804711 + ... + 46814268.

It is an arithmetic number, because the mean of its divisors is an integer number (33983689740).

Almost surely, 2^447405100641 is an apocalyptic number.

It is an amenable number.

447405100641 is a deficient number, since it is larger than the sum of its proper divisors (232268694159).

447405100641 is an equidigital number, since it uses as much as digits as its factorization.

447405100641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93619050 (or 93619041 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 447405100641 in words is "four hundred forty-seven billion, four hundred five million, one hundred thousand, six hundred forty-one".