4289663721896 has 32 divisors (see below), whose sum is σ = 9206085240000. Its totient is φ = 1835637570816.

The previous prime is 4289663721859. The next prime is 4289663721899. The reversal of 4289663721896 is 6981273669824.

It is a super-3 number, since 3×4289663721896³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (71) 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 (4289663721899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58082321 + ... + 58156128.

It is an arithmetic number, because the mean of its divisors is an integer number (287690163750).

Almost surely, 2^{4289663721896} is an apocalyptic number.

It is an amenable number.

4289663721896 is an abundant number, since it is smaller than the sum of its proper divisors (4916421518104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4289663721896 is a wasteful number, since it uses less digits than its factorization.

4289663721896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116239121 (or 116239117 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 71.

The spelling of 4289663721896 in words is "four trillion, two hundred eighty-nine billion, six hundred sixty-three million, seven hundred twenty-one thousand, eight hundred ninety-six".