945994986756 has 18 divisors (see below), whose sum is σ = 2391265105502. Its totient is φ = 315331662240.

The previous prime is 945994986749. The next prime is 945994986767. The reversal of 945994986756 is 657689499549.

945994986756 is a `hidden beast` number, since 9 + 4 + 59 + 9 + 498 + 6 + 75 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 578497148100 + 367497838656 = 760590^2 + 606216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13138819225 + ... + 13138819296.

Almost surely, 2^945994986756 is an apocalyptic number.

It is an amenable number.

945994986756 is an abundant number, since it is smaller than the sum of its proper divisors (1445270118746).

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

945994986756 is a wasteful number, since it uses less digits than its factorization.

945994986756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277638531 (or 26277638526 counting only the distinct ones).

The product of its digits is 5290790400, while the sum is 81.

The spelling of 945994986756 in words is "nine hundred forty-five billion, nine hundred ninety-four million, nine hundred eighty-six thousand, seven hundred fifty-six".