3845651783975 has 24 divisors (see below), whose sum is σ = 4885280374128. Its totient is φ = 3001260268800.

The previous prime is 3845651783969. The next prime is 3845651783977. The reversal of 3845651783975 is 5793871565483.

It is a de Polignac number, because none of the positive numbers 2^k-3845651783975 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3845651783899 and 3845651783908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845651783977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14326697 + ... + 14592653.

It is an arithmetic number, because the mean of its divisors is an integer number (203553348922).

Almost surely, 2^{3845651783975} is an apocalyptic number.

3845651783975 is a deficient number, since it is larger than the sum of its proper divisors (1039628590153).

3845651783975 is a wasteful number, since it uses less digits than its factorization.

3845651783975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280115 (or 280110 counting only the distinct ones).

The product of its digits is 762048000, while the sum is 71.

The spelling of 3845651783975 in words is "three trillion, eight hundred forty-five billion, six hundred fifty-one million, seven hundred eighty-three thousand, nine hundred seventy-five".