26447464564271 has 16 divisors (see below), whose sum is σ = 29365658546400. Its totient is φ = 23704171158528.

The previous prime is 26447464564267. The next prime is 26447464564303. The reversal of 26447464564271 is 17246546474462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26447464564271 - 2² = 26447464564267 is a prime.

It is a super-2 number, since 2×26447464564271² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26447464560271) 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 15 ways as a sum of consecutive naturals, for example, 367402181 + ... + 367474158.

It is an arithmetic number, because the mean of its divisors is an integer number (1835353659150).

Almost surely, 2^{26447464564271} is an apocalyptic number.

26447464564271 is a deficient number, since it is larger than the sum of its proper divisors (2918193982129).

26447464564271 is a wasteful number, since it uses less digits than its factorization.

26447464564271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734876458.

The product of its digits is 216760320, while the sum is 62.

The spelling of 26447464564271 in words is "twenty-six trillion, four hundred forty-seven billion, four hundred sixty-four million, five hundred sixty-four thousand, two hundred seventy-one".