26964451387 has 2 divisors, whose sum is σ = 26964451388. Its totient is φ = 26964451386.

The previous prime is 26964451379. The next prime is 26964451429. The reversal of 26964451387 is 78315446962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26964451387 - 2³ = 26964451379 is a prime.

It is not a weakly prime, because it can be changed into another prime (26964451337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13482225693 + 13482225694.

It is an arithmetic number, because the mean of its divisors is an integer number (13482225694).

Almost surely, 2^26964451387 is an apocalyptic number.

26964451387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26964451387 is an equidigital number, since it uses as much as digits as its factorization.

26964451387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 26964451387 in words is "twenty-six billion, nine hundred sixty-four million, four hundred fifty-one thousand, three hundred eighty-seven".