4081718694690 has 512 divisors, whose sum is σ = 13841797939200. Its totient is φ = 832619243520.

The previous prime is 4081718694667. The next prime is 4081718694701. The reversal of 4081718694690 is 964968171804.

4081718694690 is a `hidden beast` number, since 40 + 8 + 1 + 71 + 8 + 69 + 469 + 0 = 666.

It is a super-2 number, since 2×4081718694690² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1111274694 + ... + 1111278366.

It is an arithmetic number, because the mean of its divisors is an integer number (27034761600).

Almost surely, 2^{4081718694690} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4081718694690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6920898969600).

4081718694690 is an abundant number, since it is smaller than the sum of its proper divisors (9760079244510).

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

4081718694690 is a wasteful number, since it uses less digits than its factorization.

4081718694690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 4081718694690 in words is "four trillion, eighty-one billion, seven hundred eighteen million, six hundred ninety-four thousand, six hundred ninety".