10939444989 has 32 divisors (see below), whose sum is σ = 17176320000. Its totient is φ = 6123015360.

The previous prime is 10939444987. The next prime is 10939444991. The reversal of 10939444989 is 98944493901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10939444987) and next prime (10939444991).

It is not a de Polignac number, because 10939444989 - 2¹ = 10939444987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10939444987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226489 + ... + 270510.

It is an arithmetic number, because the mean of its divisors is an integer number (536760000).

Almost surely, 2^10939444989 is an apocalyptic number.

It is an amenable number.

10939444989 is a deficient number, since it is larger than the sum of its proper divisors (6236875011).

10939444989 is a wasteful number, since it uses less digits than its factorization.

10939444989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497065.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 10939444989 in words is "ten billion, nine hundred thirty-nine million, four hundred forty-four thousand, nine hundred eighty-nine".