26989125939 has 16 divisors (see below), whose sum is σ = 39987292800. Its totient is φ = 17991219528.

The previous prime is 26989125929. The next prime is 26989125959. The reversal of 26989125939 is 93952198962.

26989125939 is a `hidden beast` number, since 26 + 9 + 8 + 9 + 12 + 593 + 9 = 666.

It is not a de Polignac number, because 26989125939 - 2⁷ = 26989125811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26989125929) 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, 344752 + ... + 415730.

It is an arithmetic number, because the mean of its divisors is an integer number (2499205800).

Almost surely, 2^26989125939 is an apocalyptic number.

26989125939 is a deficient number, since it is larger than the sum of its proper divisors (12998166861).

26989125939 is a wasteful number, since it uses less digits than its factorization.

26989125939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85071 (or 85065 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 63.

The spelling of 26989125939 in words is "twenty-six billion, nine hundred eighty-nine million, one hundred twenty-five thousand, nine hundred thirty-nine".