3861848438154 has 24 divisors (see below), whose sum is σ = 9562672323360. Its totient is φ = 1103385268008.

The previous prime is 3861848438137. The next prime is 3861848438207. The reversal of 3861848438154 is 4518348481683.

3861848438154 is a `hidden beast` number, since 3 + 8 + 6 + 1 + 8 + 48 + 438 + 154 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 3861848438091 and 3861848438100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15324795264 + ... + 15324795515.

It is an arithmetic number, because the mean of its divisors is an integer number (398444680140).

Almost surely, 2^{3861848438154} is an apocalyptic number.

3861848438154 is an abundant number, since it is smaller than the sum of its proper divisors (5700823885206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861848438154 is a wasteful number, since it uses less digits than its factorization.

3861848438154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30649590794 (or 30649590791 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 63.

The spelling of 3861848438154 in words is "three trillion, eight hundred sixty-one billion, eight hundred forty-eight million, four hundred thirty-eight thousand, one hundred fifty-four".