3854378193611 has 32 divisors (see below), whose sum is σ = 4317584823552. Its totient is φ = 3410561064960.

The previous prime is 3854378193599. The next prime is 3854378193623. The reversal of 3854378193611 is 1163918734583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3854378193599) and next prime (3854378193623).

It is a cyclic number.

It is not a de Polignac number, because 3854378193611 - 2¹⁴ = 3854378177227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3854378193661) 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 31 ways as a sum of consecutive naturals, for example, 180835691 + ... + 180857003.

It is an arithmetic number, because the mean of its divisors is an integer number (134924525736).

Almost surely, 2^{3854378193611} is an apocalyptic number.

3854378193611 is a deficient number, since it is larger than the sum of its proper divisors (463206629941).

3854378193611 is a wasteful number, since it uses less digits than its factorization.

3854378193611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683.

The product of its digits is 13063680, while the sum is 59.

The spelling of 3854378193611 in words is "three trillion, eight hundred fifty-four billion, three hundred seventy-eight million, one hundred ninety-three thousand, six hundred eleven".