3916821405358 has 8 divisors (see below), whose sum is σ = 5876193230928. Its totient is φ = 1958090328384.

The previous prime is 3916821405311. The next prime is 3916821405373. The reversal of 3916821405358 is 8535041286193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3916821405358² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3916821405299 and 3916821405308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160171866 + ... + 160196317.

It is an arithmetic number, because the mean of its divisors is an integer number (734524153866).

Almost surely, 2^{3916821405358} is an apocalyptic number.

3916821405358 is a deficient number, since it is larger than the sum of its proper divisors (1959371825570).

3916821405358 is a wasteful number, since it uses less digits than its factorization.

3916821405358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320374298.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 3916821405358 in words is "three trillion, nine hundred sixteen billion, eight hundred twenty-one million, four hundred five thousand, three hundred fifty-eight".