26454371871 has 8 divisors (see below), whose sum is σ = 35288022960. Its totient is φ = 17628484352.

The previous prime is 26454371869. The next prime is 26454371899. The reversal of 26454371871 is 17817345462.

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

It is a cyclic number.

It is not a de Polignac number, because 26454371871 - 2¹ = 26454371869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26454371871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26454371171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932936 + ... + 1946573.

It is an arithmetic number, because the mean of its divisors is an integer number (4411002870).

Almost surely, 2^26454371871 is an apocalyptic number.

26454371871 is a deficient number, since it is larger than the sum of its proper divisors (8833651089).

26454371871 is a wasteful number, since it uses less digits than its factorization.

26454371871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881785.

The product of its digits is 1128960, while the sum is 48.

The spelling of 26454371871 in words is "twenty-six billion, four hundred fifty-four million, three hundred seventy-one thousand, eight hundred seventy-one".