3895193161944 has 96 divisors (see below), whose sum is σ = 12058499250720. Its totient is φ = 1112732425728.

The previous prime is 3895193161927. The next prime is 3895193161969. The reversal of 3895193161944 is 4491613915983.

3895193161944 is a `hidden beast` number, since 3 + 8 + 9 + 5 + 1 + 9 + 3 + 1 + 619 + 4 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2511802 + ... + 3754934.

It is an arithmetic number, because the mean of its divisors is an integer number (125609367195).

Almost surely, 2^{3895193161944} is an apocalyptic number.

It is an amenable number.

3895193161944 is an abundant number, since it is smaller than the sum of its proper divisors (8163306088776).

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

3895193161944 is a wasteful number, since it uses less digits than its factorization.

3895193161944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249369 (or 1249362 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 3895193161944 in words is "three trillion, eight hundred ninety-five billion, one hundred ninety-three million, one hundred sixty-one thousand, nine hundred forty-four".