26606609973 has 8 divisors (see below), whose sum is σ = 39417200000. Its totient is φ = 17737739964.

The previous prime is 26606609963. The next prime is 26606609989. The reversal of 26606609973 is 37990660662.

It is a happy number.

26606609973 is a `hidden beast` number, since 26 + 6 + 0 + 6 + 609 + 9 + 7 + 3 = 666.

It is not a de Polignac number, because 26606609973 - 2²⁴ = 26589832757 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 (26606609933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492714973 + ... + 492715026.

It is an arithmetic number, because the mean of its divisors is an integer number (4927150000).

Almost surely, 2^26606609973 is an apocalyptic number.

It is an amenable number.

26606609973 is a deficient number, since it is larger than the sum of its proper divisors (12810590027).

26606609973 is an equidigital number, since it uses as much as digits as its factorization.

26606609973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985430008 (or 985430002 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 26606609973 in words is "twenty-six billion, six hundred six million, six hundred nine thousand, nine hundred seventy-three".