3855609953 has 8 divisors (see below), whose sum is σ = 4167520896. Its totient is φ = 3545888400.

The previous prime is 3855609949. The next prime is 3855609959. The reversal of 3855609953 is 3599065583.

3855609953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3855609953 - 2² = 3855609949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3855609895 and 3855609904.

It is not an unprimeable number, because it can be changed into a prime (3855609959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543683 + ... + 550728.

It is an arithmetic number, because the mean of its divisors is an integer number (520940112).

Almost surely, 2^3855609953 is an apocalyptic number.

It is an amenable number.

3855609953 is a deficient number, since it is larger than the sum of its proper divisors (311910943).

3855609953 is a wasteful number, since it uses less digits than its factorization.

3855609953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094695.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The square root of 3855609953 is about 62093.5580636188. The cubic root of 3855609953 is about 1568.0660939413.

The spelling of 3855609953 in words is "three billion, eight hundred fifty-five million, six hundred nine thousand, nine hundred fifty-three".