1000044376989 has 16 divisors (see below), whose sum is σ = 1523965196928. Its totient is φ = 571420910592.

The previous prime is 1000044376987. The next prime is 1000044377069. The reversal of 1000044376989 is 9896734400001.

It is not a de Polignac number, because 1000044376989 - 2¹ = 1000044376987 is a prime.

It is a super-2 number, since 2×1000044376989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000044376987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001332 + ... + 1732845.

It is an arithmetic number, because the mean of its divisors is an integer number (95247824808).

Almost surely, 2^{1000044376989} is an apocalyptic number.

It is an amenable number.

1000044376989 is a deficient number, since it is larger than the sum of its proper divisors (523920819939).

1000044376989 is a wasteful number, since it uses less digits than its factorization.

1000044376989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751604.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 1000044376989 in words is "one trillion, forty-four million, three hundred seventy-six thousand, nine hundred eighty-nine".