9444789442 has 16 divisors (see below), whose sum is σ = 15464714400. Its totient is φ = 4290418240.

The previous prime is 9444789427. The next prime is 9444789457. The reversal of 9444789442 is 2449874449.

It is an interprime number because it is at equal distance from previous prime (9444789427) and next prime (9444789457).

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, 96967 + ... + 168202.

It is an arithmetic number, because the mean of its divisors is an integer number (966544650).

Almost surely, 2^9444789442 is an apocalyptic number.

9444789442 is a deficient number, since it is larger than the sum of its proper divisors (6019924958).

9444789442 is a wasteful number, since it uses less digits than its factorization.

9444789442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266801.

The product of its digits is 9289728, while the sum is 55.

The square root of 9444789442 is about 97184.3065623252. The cubic root of 9444789442 is about 2113.8009729546.

The spelling of 9444789442 in words is "nine billion, four hundred forty-four million, seven hundred eighty-nine thousand, four hundred forty-two".