26700665463 has 24 divisors (see below), whose sum is σ = 39672368736. Its totient is φ = 17294169600.

The previous prime is 26700665441. The next prime is 26700665471. The reversal of 26700665463 is 36456600762.

It is not a de Polignac number, because 26700665463 - 2¹⁰ = 26700664439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26700665413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61195 + ... + 239052.

It is an arithmetic number, because the mean of its divisors is an integer number (1653015364).

Almost surely, 2^26700665463 is an apocalyptic number.

26700665463 is a deficient number, since it is larger than the sum of its proper divisors (12971703273).

26700665463 is a wasteful number, since it uses less digits than its factorization.

26700665463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300535 (or 300532 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 26700665463 in words is "twenty-six billion, seven hundred million, six hundred sixty-five thousand, four hundred sixty-three".