26956309945 has 8 divisors (see below), whose sum is σ = 34050075840. Its totient is φ = 20430045360.

The previous prime is 26956309937. The next prime is 26956309951. The reversal of 26956309945 is 54990365962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26956309945 - 2³ = 26956309937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26956309945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141875221 + ... + 141875410.

It is an arithmetic number, because the mean of its divisors is an integer number (4256259480).

Almost surely, 2^26956309945 is an apocalyptic number.

It is an amenable number.

26956309945 is a deficient number, since it is larger than the sum of its proper divisors (7093765895).

26956309945 is a wasteful number, since it uses less digits than its factorization.

26956309945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283750655.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 26956309945 in words is "twenty-six billion, nine hundred fifty-six million, three hundred nine thousand, nine hundred forty-five".