3812745915648 has 108 divisors (see below), whose sum is σ = 11054501508960. Its totient is φ = 1263815083008.

The previous prime is 3812745915623. The next prime is 3812745915689. The reversal of 3812745915648 is 8465195472183.

It is a happy number.

3812745915648 is a `hidden beast` number, since 3 + 8 + 1 + 27 + 45 + 9 + 1 + 564 + 8 = 666.

It is a super-3 number, since 3×3812745915648³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4210036 + ... + 5034867.

Almost surely, 2^{3812745915648} is an apocalyptic number.

It is an amenable number.

3812745915648 is an abundant number, since it is smaller than the sum of its proper divisors (7241755593312).

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

3812745915648 is a wasteful number, since it uses less digits than its factorization.

3812745915648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245104 (or 9245087 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 3812745915648 in words is "three trillion, eight hundred twelve billion, seven hundred forty-five million, nine hundred fifteen thousand, six hundred forty-eight".