945397189824 has 112 divisors (see below), whose sum is σ = 2509796534880. Its totient is φ = 314070958080.

The previous prime is 945397189819. The next prime is 945397189859. The reversal of 945397189824 is 428981793549.

It is a super-3 number, since 3×945397189824³ (a number of 37 digits) contains 333 as substring.

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, 235112934 + ... + 235116954.

Almost surely, 2^945397189824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945397189824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254898267440).

945397189824 is an abundant number, since it is smaller than the sum of its proper divisors (1564399345056).

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

945397189824 is a wasteful number, since it uses less digits than its factorization.

945397189824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858 (or 7848 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The spelling of 945397189824 in words is "nine hundred forty-five billion, three hundred ninety-seven million, one hundred eighty-nine thousand, eight hundred twenty-four".