26445005963 has 4 divisors (see below), whose sum is σ = 26460093288. Its totient is φ = 26429918640.

The previous prime is 26445005903. The next prime is 26445006031. The reversal of 26445005963 is 36950054462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26445005963 - 2¹⁰ = 26445004939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26445005903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7541033 + ... + 7544538.

It is an arithmetic number, because the mean of its divisors is an integer number (6615023322).

Almost surely, 2^26445005963 is an apocalyptic number.

26445005963 is a deficient number, since it is larger than the sum of its proper divisors (15087325).

26445005963 is a wasteful number, since it uses less digits than its factorization.

26445005963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087324.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 26445005963 in words is "twenty-six billion, four hundred forty-five million, five thousand, nine hundred sixty-three".