3845212113646 has 4 divisors (see below), whose sum is σ = 5767818170472. Its totient is φ = 1922606056822.

The previous prime is 3845212113607. The next prime is 3845212113683. The reversal of 3845212113646 is 6463112125483.

3845212113646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3845212113596 and 3845212113605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961303028410 + ... + 961303028413.

It is an arithmetic number, because the mean of its divisors is an integer number (1441954542618).

Almost surely, 2^{3845212113646} is an apocalyptic number.

3845212113646 is a deficient number, since it is larger than the sum of its proper divisors (1922606056826).

3845212113646 is a wasteful number, since it uses less digits than its factorization.

3845212113646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922606056825.

The product of its digits is 829440, while the sum is 46.

The spelling of 3845212113646 in words is "three trillion, eight hundred forty-five billion, two hundred twelve million, one hundred thirteen thousand, six hundred forty-six".