3912136648 has 64 divisors (see below), whose sum is σ = 8460288000. Its totient is φ = 1661278272.

The previous prime is 3912136637. The next prime is 3912136663. The reversal of 3912136648 is 8466312193.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838683 + ... + 3839701.

It is an arithmetic number, because the mean of its divisors is an integer number (132192000).

Almost surely, 2^3912136648 is an apocalyptic number.

It is an amenable number.

3912136648 is an abundant number, since it is smaller than the sum of its proper divisors (4548151352).

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

3912136648 is a wasteful number, since it uses less digits than its factorization.

3912136648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1590 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3912136648 is about 62547.0754552121. The cubic root of 3912136648 is about 1575.6920312196.

The spelling of 3912136648 in words is "three billion, nine hundred twelve million, one hundred thirty-six thousand, six hundred forty-eight".