4559869731690 has 384 divisors, whose sum is σ = 15113933033472. Its totient is φ = 927854714880.

The previous prime is 4559869731643. The next prime is 4559869731691. The reversal of 4559869731690 is 961379689554.

4559869731690 is a `hidden beast` number, since 4 + 55 + 98 + 6 + 97 + 316 + 90 = 666.

It is a super-2 number, since 2×4559869731690² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4559869731691) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74359122 + ... + 74420418.

It is an arithmetic number, because the mean of its divisors is an integer number (39359200608).

Almost surely, 2^{4559869731690} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4559869731690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7556966516736).

4559869731690 is an abundant number, since it is smaller than the sum of its proper divisors (10554063301782).

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

4559869731690 is a wasteful number, since it uses less digits than its factorization.

4559869731690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61654 (or 61651 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 72.

The spelling of 4559869731690 in words is "four trillion, five hundred fifty-nine billion, eight hundred sixty-nine million, seven hundred thirty-one thousand, six hundred ninety".