1138937695589 has 16 divisors (see below), whose sum is σ = 1229572206720. Its totient is φ = 1051737677760.

The previous prime is 1138937695549. The next prime is 1138937695607. The reversal of 1138937695589 is 9855967398311.

It is a de Polignac number, because none of the positive numbers 2^k-1138937695589 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 (1138937695549) 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, 6355514 + ... + 6532260.

It is an arithmetic number, because the mean of its divisors is an integer number (76848262920).

Almost surely, 2^{1138937695589} is an apocalyptic number.

It is an amenable number.

1138937695589 is a deficient number, since it is larger than the sum of its proper divisors (90634511131).

1138937695589 is a wasteful number, since it uses less digits than its factorization.

1138937695589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186460.

The product of its digits is 440899200, while the sum is 74.

The spelling of 1138937695589 in words is "one trillion, one hundred thirty-eight billion, nine hundred thirty-seven million, six hundred ninety-five thousand, five hundred eighty-nine".