3954169818 has 32 divisors (see below), whose sum is σ = 8798742720. Its totient is φ = 1316301840.

The previous prime is 3954169811. The next prime is 3954169823. The reversal of 3954169818 is 8189614593.

3954169818 is a `hidden beast` number, since 3 + 9 + 541 + 6 + 98 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3954169811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7488 + ... + 89243.

It is an arithmetic number, because the mean of its divisors is an integer number (274960710).

Almost surely, 2^3954169818 is an apocalyptic number.

3954169818 is an abundant number, since it is smaller than the sum of its proper divisors (4844572902).

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

3954169818 is a wasteful number, since it uses less digits than its factorization.

3954169818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97499 (or 97493 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 3954169818 is about 62882.1899904894. The cubic root of 3954169818 is about 1581.3151761207.

The spelling of 3954169818 in words is "three billion, nine hundred fifty-four million, one hundred sixty-nine thousand, eight hundred eighteen".