26843902645 has 16 divisors (see below), whose sum is σ = 36848107008. Its totient is φ = 18390441600.

The previous prime is 26843902643. The next prime is 26843902651. The reversal of 26843902645 is 54620934862.

It is a happy number.

It is not a de Polignac number, because 26843902645 - 2¹ = 26843902643 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 (26843902643) 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, 311181 + ... + 387970.

It is an arithmetic number, because the mean of its divisors is an integer number (2303006688).

Almost surely, 2^26843902645 is an apocalyptic number.

It is an amenable number.

26843902645 is a deficient number, since it is larger than the sum of its proper divisors (10004204363).

26843902645 is a wasteful number, since it uses less digits than its factorization.

26843902645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700260.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 26843902645 in words is "twenty-six billion, eight hundred forty-three million, nine hundred two thousand, six hundred forty-five".