3845364121 has 3 divisors (see below), whose sum is σ = 3845426133. Its totient is φ = 3845302110.

The previous prime is 3845364119. The next prime is 3845364143. The reversal of 3845364121 is 1214635483.

The square root of 3845364121 is 62011.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3845364121 - 2¹ = 3845364119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3845364101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31006 + ... + 93016.

It is an arithmetic number, because the mean of its divisors is an integer number (1281808711).

Almost surely, 2^3845364121 is an apocalyptic number.

3845364121 is the 62011-st square number.

3845364121 is the 31006-th centered octagonal number.

It is an amenable number.

3845364121 is a deficient number, since it is larger than the sum of its proper divisors (62012).

3845364121 is an frugal number, since it uses more digits than its factorization.

3845364121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124022 (or 62011 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The cubic root of 3845364121 is about 1566.6758777538.

The spelling of 3845364121 in words is "three billion, eight hundred forty-five million, three hundred sixty-four thousand, one hundred twenty-one".