26701049581 has 8 divisors (see below), whose sum is σ = 28150923200. Its totient is φ = 25255631520.

The previous prime is 26701049579. The next prime is 26701049597. The reversal of 26701049581 is 18594010762.

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 26701049581 - 2¹ = 26701049579 is a prime.

It is a super-2 number, since 2×26701049581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26701049681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101576 + ... + 1125553.

It is an arithmetic number, because the mean of its divisors is an integer number (3518865400).

Almost surely, 2^26701049581 is an apocalyptic number.

It is an amenable number.

26701049581 is a deficient number, since it is larger than the sum of its proper divisors (1449873619).

26701049581 is a wasteful number, since it uses less digits than its factorization.

26701049581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227779.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 26701049581 in words is "twenty-six billion, seven hundred one million, forty-nine thousand, five hundred eighty-one".