4281209046729 has 16 divisors (see below), whose sum is σ = 6342962600640. Its totient is φ = 2853945558720.

The previous prime is 4281209046713. The next prime is 4281209046749. The reversal of 4281209046729 is 9276409021824.

It is a happy number.

4281209046729 is a `hidden beast` number, since 428 + 1 + 20 + 90 + 46 + 72 + 9 = 666.

It is not a de Polignac number, because 4281209046729 - 2⁴ = 4281209046713 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4281209046749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4977952 + ... + 5774289.

It is an arithmetic number, because the mean of its divisors is an integer number (396435162540).

Almost surely, 2^{4281209046729} is an apocalyptic number.

It is an amenable number.

4281209046729 is a deficient number, since it is larger than the sum of its proper divisors (2061753553911).

4281209046729 is a wasteful number, since it uses less digits than its factorization.

4281209046729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766997 (or 10766991 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 4281209046729 in words is "four trillion, two hundred eighty-one billion, two hundred nine million, forty-six thousand, seven hundred twenty-nine".