9445750644 has 24 divisors (see below), whose sum is σ = 24043729248. Its totient is φ = 2862348640.

The previous prime is 9445750637. The next prime is 9445750661. The reversal of 9445750644 is 4460575449.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9445750593 and 9445750602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35779227 + ... + 35779490.

It is an arithmetic number, because the mean of its divisors is an integer number (1001822052).

Almost surely, 2^9445750644 is an apocalyptic number.

It is an amenable number.

9445750644 is an abundant number, since it is smaller than the sum of its proper divisors (14597978604).

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

9445750644 is a wasteful number, since it uses less digits than its factorization.

9445750644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71558735 (or 71558733 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The square root of 9445750644 is about 97189.2516896802. The cubic root of 9445750644 is about 2113.8726781282.

The spelling of 9445750644 in words is "nine billion, four hundred forty-five million, seven hundred fifty thousand, six hundred forty-four".