1007944421189 has 4 divisors (see below), whose sum is σ = 1007962102560. Its totient is φ = 1007926739820.

The previous prime is 1007944421179. The next prime is 1007944421203. The reversal of 1007944421189 is 9811244497001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1007944421189 - 2³⁶ = 939224944453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007944421129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8754899 + ... + 8869280.

It is an arithmetic number, because the mean of its divisors is an integer number (251990525640).

Almost surely, 2^{1007944421189} is an apocalyptic number.

It is an amenable number.

1007944421189 is a deficient number, since it is larger than the sum of its proper divisors (17681371).

1007944421189 is an equidigital number, since it uses as much as digits as its factorization.

1007944421189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681370.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 1007944421189 in words is "one trillion, seven billion, nine hundred forty-four million, four hundred twenty-one thousand, one hundred eighty-nine".